Robert Tyrwhitt (MP died 1581)

Sir Robert Tyrwhitt of Kettleby (c. 1510 – 16 November 1581) was an English Member of Parliament and Sheriff. He was born the son of Sir William Tyrwhitt of Kettleby (or Kettelby), Knight Sheriff of Lincoln, and his wife, Isabel Girlington. He succeeded his grandfather in 1548 and was knighted by 1553. He was mentored at court by his uncle Sir Robert Tyrwhitt, with whom he has sometimes been conflated by historians and genealogists, largely because both men married women named Elizabeth Oxenbridge. Robert, the nephew, raised and led 250 of his tenantry with the army sent against the rebel earls in 1569.

He served as Justice of the Peace for Lindsey from 1547, probably until his death, and was appointed High Sheriff of Lincolnshire (1559–60). He was joint Lord Lieutenant of Lincolnshire in 1559. He was elected a Knight of the Shire (MP) for Lincolnshire in 1553, 1554 and 1558. Towards the end of his life, he and some of his sons were jailed for recusancy. He died in 1581 and was buried at Bigby, Lincolnshire, in a tomb of white alabaster.

Robert Tyrwhitt married Elizabeth, daughter and heiress of Sir Thomas Oxenbridge of Etchingham, Sussex (1502–28 March 1540) and his wife, Elizabeth Puttenham (1507–1529). Robert and Elizabeth Tyrwhitt had 22 children: 9 sons and 13 daughters. He was succeeded by his eldest son, William (1531–1591).

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