AA Mine died in 1956. He was an atheist; his son wrote to tell him during WW2 that he had read The Martyrdom of Man and was an atheist; Milne wrote back to say that he was delighted as that was his own belief (or absence of belief!).
Alen Alexander Milne
David Brown Milne had an alias, David Bruce Milne.
Carly Milne's birth name is Carly Michelle Milne.
Iain Milne's birth name is Iain Grant Milne.
Jeff Milne's birth name is Jeffrey Richard Milne.
Kevin Milne's birth name is Kevin John Milne.
Paula Milne's birth name is Paula Jane Milne.
Christian Milne was born in 1773.
Alasdair Milne's birth name is Alasdair David Gordon Milne.
Alan Alexander Milne
There is no known relation between Peter Milne and A. A. Milne, the author best known for creating Winnie-the-Pooh. They do not appear to be part of the same family.
Alan Alexander Milne