Margaretha von Sagan (Piast dynasty)

http://genealogy.euweb.cz/piast/piast7.html

Duke Konrad I of Glogau (1241-48), Bp of Passau 1249, Duke of Glogau and Bytom 1249/50, *1228/29, +6.8.1273/74; 1m: 1249 Salomea (+1267/74) dau.of King Wladislaw Odonicz of Great Poland; 2m: 1271/74 Sophia (+1318) dau.of Mgve Dietrich of Meissen

• A1. Duke Henryk I of Glogau (1274-1310) and Sagan (1304-10), Duke of Great Poland (1306-10), *1251/60, +11.12.1310; m.III.1290 Mechtild (*1276 +1318) dau.of Duke Albrecht of Brunswick-Lüneburg
  • B1. Duke Henryk II "Wierny" of Sagan (1309-42), *1291-93, +22.1.1342, bur Augustinians, Sagan; m.1310/12 Mathilde von Brandenburg-Salzwedel (*1298/1300 +1323/29), dau.of Mgve Hermann von Brandenburg-Salzwedel
    • C1. Duke Henryk III "Zelazny" of Glogau and Sagan (1342-69), *1319/21, +Sagan after 8.4.1369, bur Augustinians, Sagan; m.before 6.9.1337 Anna (+16.2.1363) dau.of Duke Waclaw of Plock
      • ...
      • D3. Duke Henryk VI "Wrobel" of Glogau (1378-97) and Sagan (1394-97), *1360, +14.3.1397; m.1382/before 25.6.1388 Katarzyna of Oppeln (+6.6.1420)
        • E1. Duke Jan I of Sagan (1397-1439), *1385, +12.4.1439; m.1405/09 Scholastika (*ca 1393, +1462/63) dau.of Elector Rudolf III of Saxe-Wittenberg
          • ...
          • F4. Duke Jan II of Sagan (1439-82) and Glogau (1481-88), 1475 he sold Sagan to Saxony, *16.4.1435, +22.9.22.9.1504; m.ca 1461/before 12.8.1473 Katarzina of Troppau (*1443 +14.4.1505)
            • G1. Malgorzata, +after 1502; 1m: (ca 28.3.) 1484 Miklós Bánffy de Limbow (+1501); 2m: Johann Hampo