Complex sentence: Harold Segerson Mahony (13 February 1867--27 June 1905) was a Scottish-born Irish tennis player who is best known for winning the Wimbledon Championships in 1896.
Split into simpler sentences: Harold Segerson Mahony (13 February 1867--27 June 1905) was a Scottish-born Irish tennis player. He is best known for winning the Wimbledon Championships in 1896.