Basil Grimm was the husband of Relda Grimm, father of Henry and Jacob Grimm. A member of the Grimm Family, he is the great-great-great-grandson of Wilhelm Grimm and Henrietta Grimm. Basil was born in 1932 to Peter Grimm and Alison Grimm I, the youngest out of their four children. In adulthood, Basil had blonde hair, which slowly grew out to grey as he grew old. He had broad shoulders, a beard, and a "toothy grin". Basil was said to be the more serious between himself and his wife. However, when it came to magic, Relda was more stricter than her husband.