_Ernest I WELF _________+ | (1497 - 1545) _Henry III WELF _____| | (1533 - 1597) | | |_Sophia of MECKLENBURG _ | (1508 - 1541) _Julius Ernest WELF _| | (1571 - 1636) | | | _Francis I ASCANIA _____+ | | | (1510 - 1580) | |_Ursula of ASCANIA __| | (1545 - 1620) | | |_Sibylle of WETTIN _____+ | (1515 - 1592) | |--Maria Katharina of WELF | (1616 - 1665) | ________________________ | | | _____________________| | | | | | |________________________ | | |_Maria of CIRKSENA __| (1581 - 1616) | | ________________________ | | |_____________________| | |________________________