Eric I, Duke of Schleswig

The seal of Eric I, the first known example of the coat of arms of Schleswig.
Danish Royalty
House of Estridsen
Abel
Children
Valdemar III, Duke of Schleswig
Sophia, Princess of Anhalt-Bernburg
Eric I, Duke of Schleswig
Abel, Lord of Langeland
Grandchildren
Margaret, Countess of Schwerin
Valdemar IV, Duke of Schleswig
Eric Longbone, Lord of Langeland
Margaret, Abbess of Zarrentin
Great Grandchildren
Eric II, Duke of Schleswig
Great-Great Grandchildren
Valdemar III
Helvig, Queen of Denmark

Eric I Abelsøn (Danish: Erik 1. Abelsøn af Danmark) (died 27 May 1272) was a Danish nobleman. He was the ruling Duke of Schleswig from 1260 until his death in 1272. He was the second son of King Abel of Denmark, Duke of Schleswig and Mechtild of Holstein.