Henry I Holstein
Henry I was born in 1258 in Itzehoe, Schleswig-Holstein, Prussia.  He died at the age of 46 on August 5th, 1304 in Itzehoe, Schleswig-Holstein, Prussia.  He was buried in 1304 in Itzehoe, Schleswig-Holstein, Prussia.

 Heilwig Bronckhorst
Heilwig was born in 1258 in Bronkhorst, Gelderland, Netherlands.  She died after July 15th, 1310 in Itzehoe, Schleswig-Holstein, Prussia.

 Giselbrecht Holstein
Giselbrecht was born about 1291 in Rendsburg, Schleswig-Holstein, Prussia.

 Gerard III Holstein
Gerard III was born about 1293 in Rendsburg, Schleswig-Holstein, Prussia.  He died in Randers, Denmark.  He was buried in 1340 in Itzehoe, Schleswig-Holstein, Prussia.

 Adelaide Holstein
Adelaide was born about 1299 in Rendsburg, Schleswig-Holstein, Prussia.  She died in Sachsen, Prussia.

 Elisabeth Holstein
Elisabeth was born about 1300 in Rendsburg, Schleswig-Holstein, Prussia.