Agnes of Meissen
Agnes of Meissen (born before 1264 – died after September 1332) was a noblewoman, the daughter of Albert II, Margrave of Meissen and his wife Margaret of Sicily.
Agnes was married with Henry I "the Marvelous" of Brunswick-Grubenhagen, in 1282.
They had 16 children:
Elisabeth of Meissen
Elisabeth of Meissen, Burgravine of Nuremberg( 22 November 1329 – 21 April 1375) was the daughter of Frederick II, Margrave of Meissen and Mathilde of Bavaria and a member of the House of Wettin.
Albrecht I of Meissen
Albrecht I of Meissen( died 1 August 1152) was Bishop of Meissen from 1150 to 1152.
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
Agnes II, Abbess of Quedlinburg
Agnes II( Agnes of Meissen; 1139 – 21 January 1203) was a member of the House of Wettin who reigned as Princess- Abbess of Quedlinburg.
Agnes of Waiblingen
Agnes of Waiblingen( 1072/ 73 – 24 September 1143), also known as Agnes of Germany, Agnes of Poitou and Agnes of Saarbrücken, was a member of the Salian imperial family.
Through her first marriage, she was Duchess of Swabia; through her second marriage, she was Margravine of Austria.
Albert II, Margrave of Meissen
Albert II, the Degenerate (de: "Albrecht II der Entartete") (1240 – 20 November 1314) was a Margrave of Meissen, Landgrave of Thuringia and Count Palatine of Saxony.
He was a member of the House of Wettin.
He was the eldest son of Henry III, Margrave of Meissen by his first wife, Constantia of Austria.
Immilla of Turin
Immilla( also Emilia, Immula, Ermengard or Irmgard)( born c. 1020, died January 1078) was a duchess consort of Swabia by marriage to Otto III, Duke of Swabia, and a margravine of Meissen by marriage to Ekbert I of Meissen.
She was regent of Meissen during the minority of her son Ekbert II.
Volkold
Volkold of Meissen( also Wolcold, Folcold, Folchold, Volhold, Volkhuld, Volchrad, Vocco; d. 23 August 992) was the second Bishop of Meissen.
John I, Duke of Brunswick-Grubenhagen
John I, Duke of Brunswick- Grubenhagen( born: before 1322; died: 23 May 1367) was provost of the St. Alexandri Minster in Einbeck.
He was the son of Duke Henry I" the Marvelous" of Brunswick- Grubenhagen and his wife Agnes of Meissen, daughter of Margrave Albert II of Meissen.

Question: Who is the paternal grandfather of Agnes Of Meissen?
Answer: Henry III