Heinrich Von Mecklenburg
Heinrich was born about 1172 in Schwerin, Mecklenburg Schwerin, Sachsen, Germany.  He died on June 5th, 1226 in Werle, Meckleburg Schwerin, Sachsen, Germany.

 Kristina Knutsdotter
Kristina was born in 1182 in Stockholm, Sweden.  She died at the age of 66 in 1248 in Werle, Meckleburg Schwerin, Sachsen, Germany.

 Heinrich Von Mecklenburg
Heinrich was born in 1202 in Werle, Mecklenburg Schwerin, Sachsen, Germany.

 Nicholas Von Mecklenburg
Nicholas was born in 1204 in Werle, Mecklenburg Schwerin, Sachsen, Germany.  He died at the age of 73 on May 10th, 1277 in Plau, Mecklenburg Schwerin, Sachsen, Germany.

 Mechtilde Von Mecklenburg
Mechtilde was born in 1206 in Werle, Mecklenburg Schwerin, Sachsen, Germany.

 Margarethe Von Mecklenburg
Margarethe was born in 1208 in Werle, Mecklenburg Schwerin, Sachsen, Germany.

 Johann Von Mecklenburg
Johann was born in 1211 in Werle, Mecklenburg Schwerin, Sachsen, Germany.  He died at the age of 53 on August 1st, 1264 in Doberan, Mecklenburg Schwerin, Sachsen, Germany.