Sir Richard Ingoldsby, KB, of Lethenborough, Buckinghamshire, was the son of Sir Richard Ingoldsby (d. 1635) of Lethenborough, the High Sheriff of Buckinghamshire in 1606, and of his first wife Elizabeth Palmer. She was the daughter of William Palmer, of Waddesdon, Buckingamshire and Joyce Pigott, (b. 20 Dec 1548, married 28 Aug 1572). He was knighted on 22 October 1617 by King James I, during a royal visit to his father-in-law's house at Hinchingbrooke.