Long before the rise of the Targaryen dragons or the construction of the Iron Throne, the continent of Westeros belonged to a race that was not human. Known to history as the Children of the Forest, these enigmatic beings are often relegated to the realm of nursery rhymes and old nan’s tales in the modern era of the Seven Kingdoms. However, a closer examination of the deep lore reveals that the Children are not just a footnote in history; they are the primary architects of the world's most significant events, including the creation of the greatest threat to ever face the living.

The Non-Human Biology of the Children

To understand the Children of the Forest, one must first discard the notion that they are simply small humans. In the Dawn Age, they called themselves Those Who Sing the Song of Earth. While they were small in stature, no taller than a human child, their physical characteristics were distinctly alien. Their skin was dappled like a deer, and their eyes were large and golden, reminiscent of a cat's, allowing them to see in the darkness of the deep woods.

Unlike the men who would follow, the Children did not use metal. They did not weave cloth or build cities. Instead, they worked in obsidian—known as dragonglass—and wore clothes made of leaves and bark. This biological and cultural integration with the environment was not a sign of primitive development but a choice of spiritual alignment. Their lifespan stretched for centuries, far exceeding that of any human, giving them a perception of time that allowed for the cultivation of ancient, slow-moving magic.

The War for the Dawn Age and the Magical Cataclysm

When the First Men migrated from Essos via the Arm of Dorne approximately 12,000 years before the events of the series, they brought with them bronze swords and fire. More importantly, they brought a hunger for land. The subsequent conflict was not merely a war over territory but a clash of fundamental ontologies. The First Men viewed the weirwood trees—sacred to the Children—as mere obstacles to be cleared for farming and settlement.

In response to the burning of their gods, the Children unleashed magic of a scale that has never been seen since. Legend tells of the Greenseers calling upon the "Hammer of the Waters." In a desperate attempt to stop the human invasion, the Children used their powers to shatter the Arm of Dorne, turning a land bridge into the chain of islands known as the Stepstones. When this failed to halt the human tide, they attempted to do the same at the Neck, though they only succeeded in turning it into a vast, impenetrable swamp. This period of history illustrates a crucial theme: the magic of the Children was always reactive, powerful, and ultimately tragic in its consequences.

The Isle of Faces and the First Peace

After centuries of bloodshed, both races reached a stalemate. The First Men were too numerous to be eradicated, and the Children were too elusive and magically potent to be conquered. The resulting treaty, signed on the Isle of Faces in the center of the Gods Eye lake, became known as The Pact.

This agreement defined the next four thousand years of Westerosi history. The First Men were granted the open lands—the plains, hills, and coasts—while the Children retained the deep forests. Crucially, the First Men agreed to stop the felling of weirwood trees. Over time, the humans even adopted the religion of the Children, abandoning their nameless gods for the "Old Gods of the Forest." This cultural assimilation is the reason why, even in the current timeline, the North still holds the weirwood sacred, a lingering echo of an ancient non-human civilization.

The Desperate Creation of the White Walkers

one of the most pivotal revelations in the later seasons of the show is the origin of the Night King. During the height of their war with the First Men, the Children were facing extinction. In an act of existential desperation, a group of Children, led by Leaf, captured a human and pressed a shard of dragonglass into his chest.

The intention was to create a guardian, a weapon that could turn the tide against the invaders. However, like many of their magical endeavors, the weapon evolved beyond their control. The White Walkers became a force of pure winter and death, indifferent to the distinction between the Children and the Men. This mistake would haunt the world for millennia, necessitating a second alliance between the two former enemies during the original Long Night. It is a sobering reminder that the greatest evil in the world was born not from malice, but from a desperate desire for survival.

The Greenseers and the Weirwood Network

The true power of the Children resided in their Greenseers. These were individuals born with the gift of greensight and skinchanging abilities. To a Greenseer, time is not a linear progression but a pool of water. By carving faces into the white bark of weirwood trees, the Children created a living, breathing archival network.

When a Greenseer dies, their consciousness is said to enter the trees, becoming part of the collective memory of the earth. This explains why the Three-Eyed Raven, and later Bran Stark, had to travel beyond the Wall to find the last of the Children. They were seeking the heart of this network. The Children’s magic is intrinsically tied to the land; as the forests were destroyed by subsequent waves of invaders—most notably the Andals—the network grew smaller and the Children grew weaker. The tragedy of the Children is the tragedy of a world losing its memory.

The Andal Invasion and the Great Decline

While the First Men eventually learned to coexist with the Children, the arrival of the Andals 6,000 years ago brought an end to that harmony. The Andals were crusaders of the Faith of the Seven. They viewed the magic of the Children as an abomination and the weirwoods as demonic idols.

During the Andal invasion, the Children were hunted with steel and fire. The remaining weirwoods in the south were cut down or burned, effectively blinding the Greenseers in those regions. This forced the remaining Children to flee further and further north, eventually disappearing behind the Wall. By the time of Aegon’s Conquest, most Maesters in the Citadel had concluded that the Children were either a myth or extinct. Their "disappearance" was not a sudden event but a long, agonizing retreat into the shadows of a world that no longer had room for them.

Their Role in the Final Struggle

In the final chapters of the conflict against the dead, the Children of the Forest played a role that was both sacrificial and symbolic. Leaf and her kin protected the cave of the Three-Eyed Raven, essentially acting as the final guardians of the world's history. When the Night King’s forces invaded the cave, the Children chose to die so that the knowledge they held could be passed to Bran Stark.

This sacrifice was the final act in a story that began ten thousand years prior. The Children created the problem (the White Walkers) and provided the solution (the training of the next Greenseer). Their extinction was the price of correcting their ancient error. Without their intervention, the living would have had no way to understand or combat the Night King. They remained the silent observers and the secret catalysts of the entire narrative.

The Legacy of the Song of Earth

Even though the Children are seemingly gone by the end of the series, their influence is woven into the very fabric of Westeros. The sturdiness of the Wall is attributed to their spells. The sigil of House Stark and their bond with direwolves are remnants of the skinchanging abilities the Children once taught the First Men. The very concept of "The North Remembers" is a human translation of the Children’s eternal memory through the weirwoods.

For the modern inhabitant of Westeros, the Children represent a lost connection to the natural world. Their story serves as a cautionary tale about the costs of war and the dangers of wielding power one does not fully understand. While the kings and queens fought over titles and thrones, the Children were fighting for the existence of life itself.

As we look back at the history of the Seven Kingdoms, it becomes clear that the humans were merely the players on a stage built by the Children. From the breaking of the land to the creation of the cold gods of the north, every major geopolitical and supernatural reality in the series can be traced back to the choices made by this small, dappled race in the deep woods. They were the first, and in many ways, they were the most important, leaving behind a world that is forever scarred by their magic and their mistakes.