Adolf Friedrich I, Duke of Mecklenburg-Schwerin

Adolf Friedrich I, Duke of Mecklenburg-Schwerin (15 December 1588 – 27 February 1658) was the reigning Duke of Mecklenburg-Schwerin from his father's death in 1592 until 1628 and again from 1631 to 1658. Between 1634 and 1648 Adolf Frederick also ruled the Prince-Bishopric of Schwerin as its administrator.

First marriage
On 4 September 1622, he married Anna Maria of East Frisia (1601–1634), daughter of Count Enno III of East Frisia and Anna of Schleswig-Holstein-Gottorp. They had issue.

Issue

 * 1) Christian Louis I (11 December 1623 – 21 June 1692), Duke of Mecklenburg-Schwerin.
 * 2) Princess Sophie Agnes of Mecklenburg-Schwerin (11 January 1625 – 26 December 1694), Abbess of Rühn (1654).
 * 3) Prince Karl of Mecklenburg-Schwerin (8 March 1626 – 20 August 1670), Duke of Mecklenburg-Mirow.
 * 4) Princess Anna Maria of Mecklenburg-Schwerin (1 July 1627 – 11 December 1669) married August, Duke of Saxe-Weissenfels.
 * 5) Prince Johann Georg Mecklenburg-Schwerin (5 May 1629 – 9 July 1675), Duke of Mecklenburg-Mirow.
 * 6) Princess Hedwig of Mecklenburg-Schwerin (11 August 1630 – 17 May 1631).
 * 7) Prince Gustav Rudolph of Mecklenburg-Schwerin (26 February 1632 – 14 May 1670) married Erdmuthe Sophie of Saxe-Lauenburg.
 * 8) Princess Juliane of Mecklenburg-Schwerin (8 November 1633 – 3 February 1634)

Second marriage
In in 1635 he married Marie Katharina (1616–1665), daughter of Duke Julius Ernest, Duke of Brunswick-Dannenberg, and Maria of East Frisia (1582–1616). They had issue.

Issue

 * 1) Princess Juliane Sibylla of Mecklenburg-Schwerin (16 February 1636 – 2 October 1701), Abbess of Rühn (9 March 1695)
 * 2) Frederick, Duke of Mecklenburg-Grabow (13 February 1638 – 28 April 1688) Prince of Grabow.
 * 3) Princess Christina of Mecklenburg-Schwerin (8 August 1639 – 30 June 1693), Abbess of Gandersheim
 * 4) Prince Bernhard Sigismund of Mecklenburg-Schwerin (21 January 1641 – 15 November 1641)
 * 5) Princess Auguste of Mecklenburg-Schwerin (24 September 1643 – 5 May 1644)
 * 6) Princess Marie Elisabeth of Mecklenburg-Schwerin (24 March 1646 – 27 April 1713) Abbess of Rühn (1705), Abbess of Gandersheim (1712).
 * 7) Princess Anna Sophia of Mecklenburg-Schwerin (24 November 1647 – 13 August 1723) married Julius Siegmund, Duke of Württemberg-Juliusburg.
 * 8) Prince Adolf Ernst of Mecklenburg-Schwerin (22 November 1650 – 13 January 1651)
 * 9) Prince Philipp Ludwig of Mecklenburg-Schwerin (30 May 1652 – 20 October 1655)
 * 10) Prince Heinrich Wilhelm of Mecklenburg-Schwerin (6 June 1653 – 2 December 1653)
 * 11) Adolf Frederick II (19 October 1658 – 12 May 1708) Duke of Mecklenburg-Strelitz.