Robert Tyrwhitt

Sir Robert Tyrwhitt (died 1581), of Kettleby in Lincolnshire, was an English landowner, politician and administrator whose adherence to Roman Catholicism later led to imprisonment.

Origins He was the eldest son of Sir William Tyrwhitt (died 1541), of Scotter, MP and Sheriff of Lincolnshire, and his wife Isabel (died 1559), widow of Christopher Kelke and daughter of William Girlington, of Normanby. Among his brothers were two who also became MPs: Marmaduke Tyrwhitt and Tristram Tyrwhitt. and daughter of Martin Aune, of Frickley.