The Hyde family of Denchworth in the English county of Berkshire (now Oxfordshire) were a landed family from at least the Norman period to the late modern era. They were chiefly seated at various places in Berkshire, but there were major branches in County Cork in Ireland. Members have included an abbot, a Knight of the Bath and a number of MPs and high sheriffs. Douglas Hyde of County Roscommon (who descended from the Cork branch), became the first President of Ireland in 1938. They are not related (except by marriage) to the noble Hyde family of Wiltshire and Cheshire. Irish branch John Hyde was the maternal grandfather of Richard Boyle, 4th Earl of Shannon. He was a son-in-law of Benjamin Burton and Lady Anne Ponsonby. His mother-in-law was a daughter of William Ponsonby, 2nd Earl of Bessborough. John was himself a son of Arthur Hyde of Castle Hyde at Fermoy in County Cork and Anne Price. His mother was the only daughter and heiress of Richard Price of Ardmayle and Clonmore. His sister Jane Hyde married Richard Barry, a son of James Barry, 4th Earl of Barrymore and Lady Anne Chichester. Arthur Hyde was a son of a senior Arthur Hyde and his first wife, Joan Yeats. His parents were married in 1695. His mother was a daughter of Richard Yeats of Youghal. His sister Elizabeth Hyde married John Lucas, an alderman of Youghal. His father was secondly married to Mary Evans and had four more children. Arthur Hyde was in turn the son of an elder Arthur Hyde and his wife Elizabeth Gethin. His maternal grandfather was Sir Richard Gethin, 1st Baronet (c. 1615–1685). The younger Arthur had five sisters and two younger brothers. His paternal grandparents were William Hyde of Carrigoneda and Catherine Tynte. Catherine was a daughter of Robert Tynte. Robert was the eldest son of Elizabethan soldier Sir Robert Tynte of Youghal and Ballycrenane buried at Kilcredan graveyard) who went to Munster as a soldier during the Desmond Rebellion from Wraxhall, Somerset. His paternal aunts Katherine Hyde and Elizabeth Hyde were the respective wives of Sir Henry Spottiswood and James Spottiswood, siblings to each other. They were the sons of James Spottiswood, Bishop of Clogher from 1621 to 1645. William Hyde was a son Sir Arthur Hyde of Carrigoneda and his wife, Helen Power. His maternal grandfather was Anthony Power of County Waterford. His paternal