Heinrich Welf von Braunschweig-Dannenberg, Herzog zu Braunschweig-Lüneburg, Fürst von Lüneburg, was born 4 June 1533 in Celle, Lower Saxony, Germany to Ernst I. von Braunschweig-Lüneburg (1497-1546) and Sophie von Mecklenburg-Schwerin (1508-1541) and died 19 January 1598 Dannenberg, Lower Saxony, Germany of unspecified causes. He married Ursula von Sachsen-Lauenburg (1552-1620) 15 September 1569 JL .
Children
| Name | Birth | Death | Joined with |
| Julius Ernst von Braunschweig-Dannenberg (1571-1636) | 10 March 1571 Dannenberg, Lower Saxony, Germany | 26 October 1636 Dannenberg, Lower Saxony, Germany | Marie von Ostfriesland (1582-1616) Sybille von Braunschweig-Lüneburg (1584-1652) |
| Franz von Braunschweig-Dannenberg (1572-1601) | |||
| Anne Sofie von Braunschweig-Dannenberg (1573-1574) | |||
| Heinrich von Braunschweig-Dannenberg (1574-1575) | |||
| Sibylle Elisabeth von Braunschweig-Dannenberg (1576-1630) | 1576 | 1630 | Anton II. von Oldenburg-Delmenhorst (1550-1619) |
| Sidonie von Braunschweig-Dannenberg (1577-1645) | |||
| August II. von Braunschweig-Wolfenbüttel (1579-1666) | 10 April 1579 Dannenberg, Lower Saxony, Germany | 17 September 1666 Wolfenbüttel, Lower Saxony, Germany | Clara Maria von Pommern (1574-1623) Dorothea von Anhalt-Zerbst (1607-1634) Elisabeth Sophie von Mecklenburg-Güstrow (1613-1676) |
Footnotes (including sources)
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