Silas

Silas is a playable character from Fire Emblem Fates. He is a Cavalier from Nohr and will accompany Corrin regardless of their decision.

Silas is a fledgling Knight of the Kingdom of Nohr and child of a Nohrian noble family, having known Corrin since childhood and considers them his best friend. One day, Silas decided to bring Corrin out of the Northern Fortress on a picnic. However, he was caught by the guards and was nearly executed if not for Corrin's strong opposition. Instead, he was banished from the fortress, but he never forgot his friend. Silas decided to enlist in the Nohrian army, knowing that it was the best way to meet his friend again. If Silas achieves an S-Support, he will have a daughter named Sophie. He has the unruliest hair.

(Source: Fire Emblem Wiki)