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From Rodovid EN

Lineage	Plötzkau
Sex	Female
Full name (at birth)	Irmgard von Plötzkau
Parents ♀ Mechthild von Walbeck [Walbeck] b. 1050 ♂ Dietrich von Plötzkau [Plötzkau]

Events

1107 marriage: ♂ Gerard I van Heinsberg [Heinsberg] d. 1129

1148 child birth: ♀ Aleid van Heinsberg [Heinsberg] b. 1148

From grandparents to grandchildren