Background
Capel was the son of Sir Thomas Molyneux, 1st Baronet and Catherine Howard.
Capel was the son of Sir Thomas Molyneux, 1st Baronet and Catherine Howard.
Capel graduated with a Bachelor of Arts in 1737 and received an honorary Doctor of Laws in 1768.
He was appointed High Sheriff of Armagh in 1744 and sat for Clogher in the Irish House of Commons from 1761 to 1768. Subsequently he represented Dublin University to 1776 and then again for Clogher to 1783. He was invested to the Privy Council of Ireland in 1776.
John Aldercron, formerly Commander in Chief in the East Indies.
By her he had two sons, Thomas and John.