Complex sentence: It was created in 1718 for the naval commander Matthew Aylmer, the second son of Sir Christopher Aylmer, 1st Baronet, of Balrath (see below).
Split into simpler sentences: It was created in 1718 for the naval commander Matthew Aylmer. He was the second son of Sir Christopher Aylmer, 1st Baronet, of Balrath (see below).