William I of Württemberg
On 24 January 1816, in Saint Petersburg, he married his first cousin, Grand Duchess Catherine Pavlovna of Russia (1788–1819), daughter of Emperor Paul I of Russia (1754–1801) and Princess Sophie Dorothea of Württemberg (1759–1828). The couple had two children:
Paul Schuster Taylor
Taylor married Katharine Page Whiteside on May 15, 1920 in Alameda, California. They had three kids, Katharine, Ross, and Margaret. In 1934 Taylor saw the work of the documentary photographer Dorothea Lange and recruited her to his project. They both divorced their first spouses and on December 6, 1935 married one other, forming a living and working partnership that continued until Lange's death in 1965. They had no children together but were parents to Lange's two sons from her first marriage as well as Taylor's three children.