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.
Margaret of Hanau (1452-1467)
Margaret of Hanau (1452 – 14 March 1467) was the only daughter of Count Reinhard III of Hanau (1412-1452) and his wife Countess Palatine Margaret of Mosbach (1432-1457).
Ulrich V, Lord of Hanau
Ulrich V, Lord of Hanau( – 1419 in Schaafheim) was the ruling Lord of Hanau from 1380 to 1404.
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.
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.
Countess Palatine Margaret of Mosbach
Countess Palatine Margaret of Mosbach (2 March 1432 – 14 September 1457) was the eldest daughter of Count Palatine Otto I of Mosbach and his wife, Johanna of Bavaria-Landshut.
She married on 11 July 1446 to Count Reinhard III of Hanau, who succeeded his father as ruling Count in 1451.
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.
Ulrich II, Lord of Hanau
Ulrich II, Lord of Hanau( – 23 September 1346) was Lord of Hanau from 1305/ 1306 until his death.
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.
Ulrich I, Lord of Hanau
Ulrich I, Lord of Hanau( – late 1305 or early 1306) was the ruling Lord of Hanau from 1281 until his death.

Question: Who is Margaret Of Hanau (1452-1467)'s maternal grandfather?