Complex sentence: Antonio "Toni" Nadal Homar (born 21 February 1961 in Manacor, Mallorca) is a Spanish tennis coach who has coached his nephew Rafael Nadal to the top of the world rankings.
Split into simpler sentences: Antonio "Toni" Nadal Homar (born 21 February 1961 in Manacor, Mallorca) is a Spanish tennis coach. Nadal is the uncle and coach of tennis champion Rafael Nadal, who he has coached to the top of the world rankings.