Answer the following question: What key details about ernest gunther , duke of schleswig-holstein-sonderburg-augustenburg can be extracted from the following bio? Bio: ernest gunther of schleswig-holstein-sonderburg-augustenburg -lrb- 14 october 1609 -- 18 january 1689 -rrb- was a duke of schleswig-holstein of its sonderborg line . he was the first who had his ducal seat in the new palace of augustenborg , and he ruled from 1647 until his death in 1689 . he was third son of alexander , duke of schleswig-holstein-sonderburg and his wife countess dorothea of schwarzburg-sondershausen .
Answer:
- issue is frederick auguste louise charlotte , duchess of beck princess ernestine justine princess ernest august dorothea louise , princess-abbess of itzehoe prince frederick sophie william amalie prince philipp ernst princess sophie- death place is augustenborg palace , augustenborg , denmark- title is duke of schleswig-holstein-sonderburg-augustenburg- succession is duke of schleswig-holstein-sonderburg-augustenburg- reign is 13 may 1627 - 18 january 1689- successor is frederick- spouse is auguste of schleswig-holstein-sonderburg-glucksburg- mother is countess dorothea of schwarzburg-sondershausen .- death date is 18 january 1689- house is house of schleswig-holstein-sonderburg-augustenburg- father is alexander , duke of schleswig-holstein-sonderburg- birth date is 14 october 1609- name is ernest gunther- image size is 200px- image is duke ernst gunther i.jpg- birth place is snderborg , denmark