|Son of Mine|
|Species:||Family of Blood|
|Appearances:||TV: Human Nature / The Family of Blood|
|Main actor:||Harry Lloyd|
Son/Brother of Mine was the leader of the Family of Blood.
Having possessed the body of Jeremy Baines from Farringham School for Boys on 10 November 1913, he led his family in a chase to catch the Tenth Doctor to gain his immortality. Otherwise, they would die in three months' time.
Noticeably, he spoke in a way that made many of his consecutive sentences run together. After possessing Baines, Son of Mine appeared able to keep his eyes opened all the way most of the time. Perhaps as a side-effect from possessing Baines, the right side of Son of Mine's face was nearly always in a half-smile.
He was probably the most intelligent of his Family, which would explain why he took charge of the Family instead of Father of Mine, who would be the head of their family.(TV: Human Nature / The Family of Blood)