_Ernest I WELF ____________+ | (1497 - 1545) _Henry III WELF __________| | (1533 - 1597) | | |_Sophia of MECKLENBURG ____ | (1508 - 1541) _Augustus WELF _______| | (1579 - 1666) m 1623 | | | _Francis I ASCANIA ________+ | | | (1510 - 1580) | |_Ursula of ASCANIA _______| | (1545 - 1620) | | |_Sibylle of WETTIN ________+ | (1515 - 1592) | |--Sibylle Ursula of WELF | (1628 - 1671) | _Joachim Ernest ASCANIA ___+ | | (1536 - 1586) m 1570 | _Rudolph ASCANIA _________| | | (1576 - 1621) | | | |_Eleonore of WÜRTTEMBERG _+ | | (1551 - 1617) m 1570 |_Dorothea of ASCANIA _| (1607 - 1634) m 1623 | | _Henry Julius WELF ________+ | | (1564 - 1613) |_Dorothea Hedwig of WELF _| (1586 - 1609) | |_Dorothea of WETTIN _______ (1563 - 1586)