John IV, Duke of Saxe-Lauenburg
John IV of Saxe- Lauenburg( *?– 1414*) was a son of Duke Eric IV of Saxe- Lauenburg and Sophia of Brunswick- Lüneburg.
Eric II, Duke of Saxe-Lauenburg
Eric II of Saxe-Lauenburg (1318/1320 – 1368) was a son of Duke Eric
I of Saxe-Lauenburg and Elisabeth of Pomerania (
*1291–after 16 October 1349
*), daughter of Bogislaw IV, Duke of Pomerania.
Eric II succeeded his father, after his resignation in 1338, as duke of Saxe-Ratzeburg-Lauenburg, a branch duchy of Saxe-Lauenburg.
Eric II and his cousin Albert V of Saxe-Bergedorf-Mölln ravaged merchants and other travellers passing their duchies.
In 1363 the city of Hamburg and Adolphus IX (aka VII) "the Mild", Count of Schauenburg and Holstein-Kiel, supported by his relative Prince-Archbishop Albert II of Bremen, freed the streets northeast of the city from the brigandage by Eric II and Albert V, conquering the latter's castle in Bergedorf.
Bernard II, Duke of Saxe-Lauenburg
Bernard II of Saxe- Lauenburg( ca. 1385/1392–16 July 1463) was a member of the House of Ascania and Duke of Saxe- Lauenburg from 1426 to 1463.
His full title was Duke of Saxony, Angria and Westphalia, however only ruling the branch duchy of Saxe- Lauenburg between 1426 and 1463.
Duke Francis Henry of Saxe-Lauenburg
Francis Henry of Saxe- Lauenburg( born: 9 April 1604; died: 26 November 1658) was a Prince of Saxe- Lauenburg
Julius Henry, Duke of Saxe-Lauenburg
Julius Henry of Saxe-Lauenburg (9 April 1586 – 20 November 1665) was duke of Saxe-Lauenburg between 1656 and 1665.
Before ascending to the throne he served as Field Marshal in the imperial army.
Eric V, Duke of Saxe-Lauenburg
Eric V of Saxe- Lauenburg( died 1436) was a member of the House of Ascania; son of Duke Eric IV of Saxe- Lauenburg and Sophia of Brunswick- Lüneburg.
Eric V and his brother John IV jointly succeeded their father in 1412 as dukes of Saxe- Lauenburg.
After John IV had died in 1414, Eric ruled alone.
Eric IV, Duke of Saxe-Lauenburg
Eric IV of Saxe-Lauenburg (1354 – 21 June 1411 or 1412) was a son of Eric II, Duke of Saxe-Lauenburg and Agnes of Holstein.
John V, Duke of Saxe-Lauenburg
John V of Saxe- Lauenburg( also numbered John IV; 18 July 1439 – 15 August 1507) was the eldest son of Duke Bernard II of Saxe- Lauenburg and Adelheid of Pomerania- Stolp( 1410 – after 1445), daughter of Duke Bogislaus VIII of Pomerania- Stolp.
He succeeded his father in 1463 as duke of Saxe- Lauenburg.
Francis Charles of Saxe-Lauenburg
Francis Charles of Saxe- Lauenburg( born: 2 May 1594; died: 30 November 1660 in Neuhaus) was a prince of Saxe- Lauenburg and a general during the Thirty Years' War.
Magnus I, Duke of Saxe-Lauenburg
Magnus I of Saxe-Lauenburg (1 January 1470 – 1 August 1543) was a Duke of Saxe-Lauenburg from the House of Ascania.

Question: Who is the paternal grandmother of Eric Iv, Duke Of Saxe-Lauenburg?
Answer: Elisabeth of Pomerania