Christoffer I of Denmark
Christoffer I of was born about 1219 in Denmark.  He died on May 29th, 1259.

 Margarethe of Eastern Pomerania
Margarethe of Eastern was born about 1233 in Lubiszewo, Gdansk, Poland.  She died on December 2nd, 1283.

 Eric V "Klipping" of Denmark
Eric V "Klipping" of was born in 1249 in Roskilde, Copenhagen, Denmark.  He died at the age of 37 on November 22nd, 1286 in Roskilde, Copenhagen, Denmark.