Ian Campbell
From Tardis Wiki, the free Doctor Who reference
Ian Campbell was the first child adopted by David Campbell and his Gallifreyan wife, Susan Campbell.
Profile
Orphaned in the Dalek Invasion of Earth in the 22nd century, he was adopted by David and Susan after the human victory. He was named after Ian Chesterton, an early companion of Susan's grandfather, the Doctor.
He also had two adopted siblings, Barbara Campbell and David Campbell Junior.