Complex sentence: Together with the localities of Berriatua and Markina, Aulesti is famous because of the professional pelota players that were born there, such as Jose Ramon Uriarte, also known as "Katxin".
Split into simpler sentences: Together with the localities of Berriatua and Markina, Aulesti is known for several professional pelota players that were born there. One example is Jose Ramon Uriarte, also known as "Katxin".