Friedrich I of Württemberg was the son of George of Mömpelgard and his wife Barbara of Hesse, daughter of Philip I, Landgrave of Hesse. Wikipedia
Born: August 19, 1557, Montbéliard, France
Died: January 29, 1608 (age 50 years), Stuttgart, Germany
Parents: Georg I, Count of Württemberg-Mömpelgard and Barbara of Hesse
Great-grandparents: Ulrich V, Count of Württemberg, Barbara Jagiellon, George, Duke of Saxony, and more
Grandparents: Heinrich, Count of Württemberg, Philip I, Landgrave of Hesse, and Christine of Saxony