Ọ bụ nwa mbụ nke John nke Abụọ, Duke nke Brittany na Princess Beatrice nke England.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Ọ bụ nwa nwoke mbụ nke John nke Abụọ na Beatrice, nwa nwanyị nke Henry nke Atọ nke England na Eleanor nke Provence. "