|Family|| Joseph Adama, father|
Shannon Adama, mother
Tamara Adama, sister
Sam Adama, uncle
William Adama is the character portrayed by Sina Najafi.
Throughout the series, viewers are allowed to infer that William Adama is the William Adama who will one day command the Battlestar Galactica; however, William is shot and killed in "Here Be Dragons". In "Apotheosis", Joseph Adama and Evelyn are revealed to have had a child whom they have named William after his deceased brother.