Konrad II of Masovia
Member of the Piast dynasty
Konrad II of Czersk, was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, after 1275 sole ruler over Czersk and Duke of Sandomierz during 1289.
He was the eldest son of Siemowit I of Masovia... Wikipedia
Born: 1250
Died: October 21, 1294 (age 44 years)
Grandchildren: Euphemia of Racibórz, Leszek of Racibórz, and Anna of Racibórz
Grandparents: Konrad I of Masovia, Daniel of Galicia, Agafia of Rus, and more
Great grandchildren: Margaret of Opava, Euphemia of Opava, and John I, Duke of Opava-Ratibor
Great-grandparents: Casimir II the Just, Helena of Znojmo, Roman the Great, and more
Children: Anna of Masovia, Duchess of Racibórz