On 5 December 1666 he married Elisabeth Dorothea of Saxe - Gotha - Altenburg ( 1640–1709 ) , daughter of Ernest I , Duke of Saxe - Gotha .
Head entity: elisabeth dorothea of saxe-gotha-altenburg Q270169 6 7 8 9 10 11 12 13
Tail entity: ernest i, duke of saxe-gotha Q62282 20 21 22 23 24 25 26 27
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22