Complex sentence: Cahill was born in Sydney to an English father of Irish descent and a Samoan mother and was encouraged to play football as a child although he grew up in a very Samoan Rugby league playing family.
Split into simpler sentences: Cahill was born in Sydney to an English father of Irish descent and a Samoan mother. He was encouraged to play football as a child, although he grew up in a very Samoan Rugby league-playing family.