Countess Palatine Barbara of Zweibrücken-Neuburg
Countess Palatine Barbara of Zweibrücken-Neuburg (27 July 1559 – 5 March 1618) was a Countess Palatine of Zweibrücken by birth and by marriage Countess of Oettingen-Oettingen.
Countess Palatine Dorothea Catherine of Birkenfeld-Bischweiler
Countess Palatine Dorothea Catherine of Birkenfeld-Bischweiler (3 July 1634 – 7 December 1715) was a Countess Palatine of Zweibrücken-Birkenfeld-Bischweiler by birth and, by marriage, Countess of Nassau-Ottweiler.
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
Countess Palatine Magdalene Catherine of Zweibrücken
Magdalena Catherine, Countess Palatine of Zweibrücken( 26 April 1607, Zweibrücken – 20 January 1648, Strasbourg) was a Countess Palatine of Zweibrücken by birth and by marriage Duchess and Countess Palatine of Birkenfeld.
Elisabeth of Hesse, Countess Palatine of Zweibrücken
Elisabeth of Hesse (4 March 1503 – 4 January 1563, Lauingen) was a Landgravine of Hesse by birth and by marriage Countess Palatine of Zweibrücken and later Countess Palatine of Simmern.
Countess Palatine Irmengard of the Rhine
Countess Palatine Irmengard of the Rhine, also known as Irmengard of Baden (– 24 February 1260) was Margravine of Baden by her marriage to Herman V, Margrave of Baden-Baden.
She brought the city of Pforzheim into the marriage.
She was the daughter of Henry V, Count Palatine of the Rhine, who was also duke of Brunswick, and his wife Agnes of Hohenstaufen.
Her paternal grandfather was Henry the Lion.
She and her husband are known as patrons of the monasteries in Maulbronn, Tennenbach, Herrenalb, Selz, Salem and Backnang Abbey.
In 1245, Irmengard founded Lichtenthal Abbey in Lichtental (now part of Baden-Baden, where later the Margraves of Baden would be buried.
However, the construction of this abbey exceeded her financial resources and she had to request assistance from her sons.
In March 1245, she was given several manors and rights.
In this case, the brothers gave away more than they owned, because they had earlier enfeoffed Louis of Liebenzell with two parts of the tithes.
This led to a lengthy dispute.
Agnes of Hohenstaufen
Agnes of Hohenstaufen (1176 – 7 or 9 May 1204) was the daughter and heiress of the Hohenstaufen count palatine Conrad of the Rhine.
She was Countess of the Palatinate herself from 1195 until her death, as the wife of the Welf count palatine Henry V.
Countess Palatine Dorothea of Simmern
Countess Palatine Dorothea of Simmern (6 January 1581 – 18 September 1631) was a Countess Palatine of Simmern by birth and Princess of Anhalt-Dessau by marriage.
Countess Palatine Anna Maria of Neuburg
Countess Palatine Anna Maria of Neuburg( 18 August 1575, Neuburg an der Donau – 11 February 1643, Dornburg) was Countess Palatine of Neuburg and by marriage Duchess of Saxe- Weimar.
Irmengard of Oettingen
Irmengard of Oettingen( – 6 November 1389 in Worms, Germany) was a princess of the Counts von Oettingen by birth, and by marriage, Countess Palatine of the Rhine and, as a widow, a Dominican nun.

Question: Who is the maternal grandfather of Countess Palatine Irmengard Of The Rhine?