Frederick II, Margrave of Meissen
Frederick II, the Serious( 30 November 1310 in Gotha – 18 November 1349 at the Wartburg), Margrave of Meissen, son of Frederick I, Margrave of Meissen and Elisabeth von Lobdeburg- Arnshaugk.
Eckard II, Margrave of Meissen
Eckard II( – 24 January 1046) was Margrave of Lusatia( as Eckard I) from 1034 and Margrave of Meissen from 1038 until his death.
He was the last of his dynasty, with his death the line of Ekkeharding margraves descending from Eckard I of Meissen( d. 1002) became extinct.
Albert, Margrave of Meissen (1934–2012)
Prince Albert Joseph Maria Franz-Xaver of Saxony, Duke of Saxony, Margrave of Meissen (30 November 1934 – 6 October 2012) was the head of the Royal House of Saxony and a German historian.
The fourth child and youngest son of Friedrich Christian, Margrave of Meissen and his wife Princess Elisabeth Helene of Thurn and Taxis, he was the younger brother of Maria Emanuel, Margrave of Meissen, who was his predecessor as head of the Royal House of Saxony.
Henry II, Margrave of Meissen
Henry II( 1103 – 1123) was the Margrave of Meissen and the Saxon Ostmark( as" Lusizensis marchio": margrave of Lusatia) from his birth until his death.
He was the posthumous son of Margrave Henry I and Gertrude of Brunswick, daughter of Egbert I of Meissen.
He was by inheritance also Count of Eilenburg.
He was the second Meissener margrave of the House of Wettin.
He was initially under the regency of his great uncle Thimo.
He died young and without children in 1123.
His lands were inherited by his half- sister Richenza of Northeim.
He left a widow, Adelaide, daughter of Lothair Udo III, Margrave of the Nordmark.
The succession to the marches was disputed after his death.
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.
Egbert I, Margrave of Meissen
Egbert I  (died 11 January 1068) was the Margrave of Meissen from 1067 until his early death the next year.
Egbert was the Count of Brunswick from about 1038, when his father, Liudolf, Margrave of Frisia, died.
His mother was Gertrude, the sister of Pope Leo IX.
Egbert was the scion of the influential Eastphalian family of the Brunonen.
He inherited the familial lands in Brunswick and from about 1051 he shared the chief authority in the region with the Bishop of Hildesheim.
Egbert also extended his authority and estates into Frisia under the suzerainty of the Archbishop of Hamburg-Bremen.
Although closely related to the Salian dynasty, Egbert participated in the coup d'état of Kaiserswerth in 1062, whereat a group of nobles acting under Anno II, Archbishop of Cologne,
tried to seize authority in the kingdom from King Henry IV and his regent mother, the Empress Agnes.
In 1058, Egbert married Immilla, the daughter of Ulric Manfred II of Turin, and widow of Otto of Schweinfurt.
Egbert tried to repudiate Immilla shortly before his death in 1068.
His only son, Egbert II, succeeded him in Meissen.
His daughter Gertrude later brought Meissen to her husband, Henry von Eilenburg.
Theodoric I, Margrave of Meissen
Theodoric I( 11 March 1162 – 18 January 1221), called the Oppressed(" Dietrich der Bedrängte"), was the Margrave of Meissen from 1198 until his death.
He was the second son of Otto II, Margrave of Meissen and Hedwig of Brandenburg.
Liudolf, Margrave of Frisia
Liudolf of Brunswick (c. 1003 – 23 April 1038) was Margrave of Frisia, Count of Brunswick, Count in the Derlingau and the Gudingau.
Liudolf was a descendant of the Saxon family of the Brunonen.
He was a son of Bruno I, Count of Brunswick, and Gisela of Swabia.
The later Roman Emperor Henry III was his half-brother.
He married Gisela and had four children.
He controlled the Frisian counties Oostergo, Zuidergo and Westergo.
For two more generations the Brunonen family line inherited the title.
How the Brunonen came to their position in the counties is not known.
There is a theory that Liudolf took advantage of the reign of violence by the Counts of Holland in the part of Friesland between the Vlie and the Lauwers.
Not much is known about his life.
He died in 1038 and was succeeded by his son, Bruno II.
Dedi I, Margrave of the Saxon Ostmark
Dedi (or Dedo) (1004 – October 1075) was the Margrave of the Saxon Ostmark (also called Lower Lusatia) from 1046 and a claimant for the title of Margrave of Meissen from 1069.
He was the second son of Dietrich II of Wettin and Matilda, daughter of Eckard I of Meissen.
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.

Question: Who is Egbert I, Margrave Of Meissen's paternal grandmother?
Answer: Gisela of Swabia