Jessica isn't his biological sister any more than Justin is.

He considers Hannah to be his biological sister.

Jessica isn't his biological sister any more than she is Justin's.

This makes her also the biological older sister of James Jr. and retcons their relationship as step-siblings.

Out of the 9 siblings, 5 sharing at least one parent, only the biological sister Makbule (1885-1956) survived him.

He has three biological sisters and one brother on his mother's side.

Dawn is, however, a real girl, Buffy's biological sister, and has real memories of her fictional childhood.

Despite finding out that Sumi is his biological sister, he still wanted to marry her.

The couple said they hoped to adopt Madison's biological sister, who is 16, on June 27, but no more children after that.