Complex sentence: Sir William MacMahon, 1st Baronet (1776--1837) was an Irish judge of the early nineteenth century and member of a Limerick family which became prominent largely through personal influence over the Prince Regent.
Split into simpler sentences: Sir William MacMahon, 1st Baronet (1776--1837) was an Irish judge of the early nineteenth century. He was a member of a Limerick family which became prominent largely through personal influence over the Prince Regent.