House of Oldenburg
Rulers of Denmark from 1448 to 1533 and from 1534 to 1863 (also Norway, from: 1450 to 1481; 1483 to 1533; and 1537 to 1814)
House of Glücksburg
Rulers of Denmark since 1863
House of Glücksburg
Rulers of Greece from 1863 to 1924 and from 1935 till the abolition of the monarchy in 1973