Guylford Slingsby

Sir Guylford Slingsby (1565–1631) was an administrator who went on to be Comptroller of the Navy.

Early life
He was born at Scriven in North Yorkshire, eighth son of Sir Francis Slingsby of Scriven and Mary Percy,  daughter of Sir Thomas Percy  and sister of  Thomas Percy, 7th Earl of Northumberland and Henry Percy, 8th Earl of Northumberland. Most of his brothers died young: those who survived included Sir Henry Slingsby and Sir William Slingsby.

Career
Slingsby was appointed Comptroller of the Navy following the death of Sir Henry Palmer in 1611. The position of Comptroller was placed in the hands of a commission from 1618 to 1628 when Slingsby resumed control. He held the post until his death in 1631.

He lived at Bifrons in Canterbury.

Family
He married Margaret Walter of York ; they had eight sons of whom at least five reached adult life; several achieved fame, including-


 * Guildford Slingsby, member of the Irish House of Commons and trusted secretary to Thomas Wentworth, 1st Earl of Strafford
 * Sir Robert Slingsby, 1st Baronet, like his father Comptroller of the Navy and friend of Samuel Pepys
 * Sir Arthur Slingsby, first of the Slingsby baronets of Bifrons; he was the only brother to leave issue
 * Walter who fought with distinction in the English Civil War-

and four daughters, of whom at least two reached adult life-


 * Dorothy, who married Geoffrey Nightingale
 * Anne, who married a grandson of Sir Julius Caesar, Master of the Rolls; she was still alive, in great poverty, in 1684, when she petitioned William Sancroft, Archbishop of Canterbury, for redress.