Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Which model was married to photographer David Bailey for 10 years, from 1975?
david bailey

In 1951, which European country saw the abdication of King Leopold lll in favour of his son Baudouin?
baudouin of belgium

In the Bible, who bore Abraham a son called Ishmael?

abraham