Their father , Henry VII , then betrothed Arthur 's widow , Catherine of Aragon , to the future king .
Henry VIII 's first marriage had its origins in 1502 when his elder brother , Arthur , died .
Their father , Henry VII , then betrothed Arthur 's widow , Catherine of Aragon , to the future king .
Henry VIII 's first marriage had its origins in 1502 when his elder brother , Arthur , died .