Reinhard I, Lord of Hanau
Reinhard I, Lord of Hanau( – 20 September 1281; first mentioned in 1243) is the ancestor of the House of Hanau.
Gerald Rudolff Ford
Gerald Rudolff Ford( December 9, 1890 – January 26, 1962) was an American businessman, creator of Ford Industries, and Republican politician who was the stepfather of U.S. President Gerald Ford and for whom Ford legally changed his name.
Katharina of Hanau
Catherine of Hanau also known as "Katharina" (25 January 1408 – 25 September 1460) was a German regent.
She was the regent of the County of Rieneck during the minority of her son from 1431 until 1434.
She was the eldest daughter of Reinhard II, who would become the first Count of Hanau in 1429, and Catherine of Nassau-Beilstein (d. 6 September 1459).
Reinhard III, Count of Hanau
Count Reinhard III of Hanau( 22 April 1412 – 20 April 1452 in Heidelberg) was Count of Hanau from 1451 until his death.
He was the son of Count Reinhard II of Hanau and his wife, Catherine of Nassau- Beilstein.
Katharina of Nassau-Beilstein
Katharina of Nassau-Beilstein (died 6 September 1459) was Countess of Hanau by marriage to Reinhard II, Count of Hanau, and regent of Hanau during the minority of her son Reinhard III from 1452 until 1458.
Ulrich V, Lord of Hanau
Ulrich V, Lord of Hanau( – 1419 in Schaafheim) was the ruling Lord of Hanau from 1380 to 1404.
Jerrold Wexler
Jerrold Wexler( June 27, 1924 – November 10, 1992) was a noted American businessman and film producer.
He was the brother of cinematographer Haskell Wexler and the stepfather of actress Daryl Hannah.
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
Friedrich Casimir, Count of Hanau-Lichtenberg
Friedrich Casimir of Hanau( born 4 August 1623 in Bouxwiller; died: 30 March 1685 in Hanau) was a member of the Hanau- Lichtenberg branch of the House of Hanau.
He was the ruling Count of Hanau- Lichtenberg from 1641 and of Hanau- Münzenberg from 1642.
Reinhard II, Count of Hanau
Reinhard II of Hanau( – 26 June 1451 in Hanau) was Lord of Hanau and from 1429 Count of Hanau.
He was one of the most important member of the House of Hanau.

Question: Who is Katharina Of Hanau's father?