Complex sentence: He gained the title Earl of Westmeath in 1754 on the death of his father John Nugent, 5th Earl of Westmeath, and was made a Founding Knight of the Order of St Patrick on 11 March 1783.
Split into simpler sentences: He gained the title Earl of Westmeath in 1754 on the death of his father John Nugent, 5th Earl of Westmeath. Westmeath was made a Founding Knight of the Order of St Patrick on 11 March 1783.