Personal Information Name Gerhard II, Count of Holstein-Plön Born 1254 Gender ♂️ Male Died 28 October 1312 Parents ( 1 ) Father Gerhard I, Count of Holstein-Itzehoe Mother Elisabeth of Mecklenburg Spouses ( 1 ) Spouse Ingeborg of Sweden Children ♂️ Gerhard IV, Count of Holstein-Plön Events 28 October 1312 Death Mortal life terminates. 📍 1254 Birth Entering into life. 📍

Personal Information Name Gerhard I, Count of Holstein-Itzehoe Born 1232 Gender ♂️ Male Died 21 December 1290 Parents ( 1 ) Father Adolf IV of Holstein Mother Heilwig of Lippe Siblings ♀️ Mechtilde of Holstein, Queen consort of Denmark ♂️ John I, Count of Holstein-Kiel Spouses ( 1 ) Spouse Elisabeth of Mecklenburg Children ♂️ Gerhard II, Count of Holstein-Plön Events 21 December 1290 Death Mortal life terminates. 📍 1232 Birth Entering into life. 📍

Personal Information Name John I, Count of Holstein-Kiel Born c. 1229 Gender ♂️ Male Died 20 April 1263 Parents ( 1 ) Father Adolf IV of Holstein Mother Heilwig of Lippe Siblings ♀️ Mechtilde of Holstein, Queen consort of Denmark ♂️ Gerhard I, Count of Holstein-Itzehoe Events 20 April 1263 Death Mortal life terminates. 📍 c. 1229 Birth Entering into life. 📍

Personal Information Name Mechtilde of Holstein, Queen consort of Denmark Born c. 1218 Gender ♀️ Female Died 1288 Kiel, Germany Parents ( 1 ) Father Adolf IV of Holstein Mother Heilwig of Lippe Siblings ♂️ John I, Count of Holstein-Kiel ♂️ Gerhard I, Count of Holstein-Itzehoe Events 1288 Death Mortal life terminates. 📍 Kiel, Germany c. 1218 Birth Entering into life. 📍

Personal Information Name Heilwig of Lippe Born c. 1200 Gender ♀️ Female Died c. 1248/1250 Parents ( 1 ) Mother Oda of Tecklenburg Spouses ( 1 ) Spouse Adolf IV of Holstein Children ♀️ Mechtilde of Holstein, Queen consort of Denmark ♂️ John I, Count of Holstein-Kiel ♂️ Gerhard I, Count of Holstein-Itzehoe Events c. 1200 Birth Entering into life. 📍 c. 1248/1250 Death Mortal life terminates. 📍 Additional Information Additional Info She was a daughter of Lord Herman II of Lippe and his wife, Oda of Tecklenburg. On 14 February 1246, she founded the Cistercian monastery in Herwardeshude, a village at the mouth of the Pepermölenbek, between the later St. Pauli and Altona. The monastery was confirmed by Pope Innocent IV in 1247. This monastery later founded the monasteries In Valle Virgum, also in Herwardeshude, and in 1530, after the reformation, the Monastery of St. John, which still exists as a Protestant nunnery.