Edgar was born on 14 September 1667 at St James's Palace[1] and baptized there with the Duke of Albemarle, the Marquis of Worcester, and the Countess of Suffolk as sponsors.
[3] His elder brother Charles had died at the age of six months in 1661 before the patent for the title of Duke of Cambridge was passed and another brother, James, was formally created Duke of Cambridge before his death in 1667 at the age of three.
[5] He was entombed in the royal vault in the Henry VII Chapel in Westminster Abbey on 12 June 1671, his coffin placed atop that of his mother.
[6] The town of Edgartown, Massachusetts, on Martha's Vineyard, settled in 1642, was named for him when incorporated in 1671, shortly before news of his death reached North America.
[9] Edgar bore a coat of arms, as a grandson of a British Sovereign, consisting those of the kingdom, differenced by a label argent of five points ermine.