Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Princess Maria Elisabeth of Bavaria
Princess Maria Elisabeth of Bavaria( 9 September 1914 – 13 May 2011) was the eldest daughter of Prince Franz of Bavaria, third son of Ludwig III of Bavaria.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Richardis of Bavaria
Richardis of Bavaria (1173 in Kelheim – 7 December 1231 in Roermond) was a German noblewoman.
She was a daughter of Count Palatine Otto I of Bavaria, who later became the first Wittelsbach "Duke" of Bavaria, and his wife Agnes of Loon.
Richardis of Schwerin, Duchess of Schleswig
Richardis of Schwerin, also called Richardis of Lauenburg or Rixa,( year unknown – before 1386), was a Duchess consort of Schleswig and possibly a Danish queen consort, married to Valdemar III of Denmark( Valdemar V, Duke of Schleswig).
She was the daughter of Gunzelin VI, Count of Schwerin- Wittenburg and Richardis of Tecklenburg.
She was the aunt of Richardis of Schwerin, Queen of Sweden.
The year of her marriage is unknown; her spouse was king of Denmark in 1326 – 29, and if she married him before 1329, she would have been queen of Denmark.
They had two sons, Valdemar( 1338 – 1360) and Henry( 1342 – 1375), the latter, Henry, succeeded in Schleswig upon Valdemar's death.
Richardis is mainly known for an incident in 1358, during the war between her spouse and king Valdemar Atterdag of Denmark.
Atterdag made a siege on Sønderborg castle on Als, which was at the time the residence of Richardis.
She defended the castle successfully for a long time, but when it was no longer possible, she opened the gates and walked out to the king with her daughters and all the women of the castle in an attempt to beg the victorious master for mercy.
This succeeded, and Atterdag agreed to leave her in control of the castle, on condition that she stay out of the war.
In 1364, her son made peace with Atterdag.
In 1373, Richardis made Atterdag the protector of her widow fiefs, including Als.
This is the last time she is mentioned; in 1386, her nephew Otto VI, Count of Tecklenburg gave permission to her nephew Eric of Saxony to claim Otto's inheritance after Richardis in his name.
Otto I, Count of Guelders
Otto I of Guelders( 1150 – 1207) was a Count of Guelders and Zutphen from 1182 until his death in 1207.
He was a son of Duke Hendrik of Guelders and Agnes of Arnstein.
He married Richardis of Bavaria in 1184.
Richardis was a daughter of Otto I Wittelsbach, Duke of Bavaria.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Richardis of Schwerin, Queen of Sweden
Richardis of Schwerin (1347 – April 23 or July 11, 1377) was Queen consort of Sweden as the wife of King Albert.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Agnes of Loon
Agnes of Loon (1150–1191), was a duchess consort of Bavaria, married to Otto I of Wittelsbach, Duke of Bavaria.
She was regent of Bavaria during the minority of her son, Louis I, Duke of Bavaria, from 1183 to 1191.
She was the daughter of Louis I, Count of Loon, and Agnes of Metz.
Agnes was described as a forceful regent, who managed to secure the inheritance of her son.
Agnes was a patron of the writer Heinrich von Veldeke.

Question: Who is Richardis Of Bavaria's maternal grandfather?
Answer: Louis I, Count of Loon