George Manners, 11th Baron de Ros of Helmsley (c.1470 – 27 October 1513) was an English peer.
Manners was enrolled at Lincoln's Inn on 12 May 1490. In 1508 he was coheir to his uncle, Edmund de Ros, 10th Baron de Ros. In 1492 it had been determined that Edmund de Ros was unable to administer his own affairs, and he was placed in the custody of his brother-in-law, Sir Thomas Lovell, husband of Manners' aunt, Isabel Lovell. Edmund de Ros died 23 October 1508, and was buried in the parish church at Elsing in Enfield, Middlesex. In about 1509 Manners was sole heir to his aunt, Isabel Lovell.
Manners was with Thomas Howard, then Earl of Surrey, in the Scottish campaign of 1497, and was knighted by him on or before 30 September of that year. He was in attendance in 1500 when King Henry VII met Archduke Philip near Calais. In November 1501 he was among those who received Catherine of Aragon at St. George's Field. He was nominated to the Order of the Garter on 27 April 1510, although not elected.
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