Margaret of Bohemia, Duchess of Wroclaw
Margaret of Bohemia( 21 February 1296 – 8 April 1322) was a daughter of Wenceslaus II of Bohemia and his first wife, Judith of Habsburg.
Žito
Žito( also called Ziito, fl. fourteenth century) was a court- magician of Wenceslaus IV of Bohemia.
Sophia of Bavaria
Sophia of Bavaria (1376 – 4 November 1428) was a Queen of Bohemia and the spouse of Wenceslaus, King of Bohemia and King of the Romans.
She was briefly interim regent of Bohemia after the death of Wenceslaus in 1419.
Wenceslaus III of Bohemia
Wenceslaus III (6 October 12894 August 1306) was King of Hungary between 1301 and 1305, and King of Bohemia and Poland from 1305.
He was the son of Wenceslaus II, King of Bohemia, who was later also crowned king of Poland, and Judith of Habsburg.
Still a child, Wenceslaus was betrothed to Elizabeth, the sole daughter of Andrew III of Hungary.
After Andrew III's death in early 1301, the majority of the Hungarian lords and prelates elected Wenceslaus king, although Pope Boniface VIII supported another claimant, Charles Robert, a member of the royal house of the Kingdom of Naples.
Wenceslaus was crowned king of Hungary on 27 August 1301.
He signed his charters under the name Ladislaus in Hungary.
His rule was only nominal, because a dozen powerful lords held sway over large territories in the kingdom.
His father realized that Wenceslaus's position could not be strengthened and took him back from Hungary to Bohemia in August 1304.
Wenceslaus succeeded his father in Bohemia and Poland on 21 June 1305.
He abandoned his claim to Hungary in favor of Otto III of Bavaria on 9 October.
Wenceslaus granted large parcels of the royal domains to his young friends in Bohemia.
A claimant to the Polish throne, Władysław the Elbow-high, who had started conquering Polish territories during the rule of Wenceslaus's father, captured Cracow in early 1306.
Wenceslaus decided to invade his rival's territories in Poland, but he was murdered before starting his campaign.
He was the last of the male Přemyslid rulers of Bohemia.
Margaret of Bohemia, Duchess of Bavaria
Margaret of Bohemia( 1313–1341) was the daughter of King John of Bohemia by his first wife Elisabeth of Bohemia( 1292–1330).
Judith of Habsburg
Judith (13 March 1271 – 21 May 1297), also named Guta , a member of the House of Habsburg, was the youngest daughter of King Rudolf I of Germany and his wife Gertrude of Hohenburg.
She was Queen of Bohemia and Poland from 1285 until her death by her marriage with the Přemyslid king Wenceslaus II.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Anne of Bohemia (1290–1313)
Anne of Bohemia( 1290 –1313) was the eldest surviving daughter of Wenceslaus II of Bohemia and Poland and his first wife Judith of Habsburg.
Her siblings included Elisabeth of Bohemia and Wenceslaus III of Bohemia.
Adam Wenceslaus, Duke of Cieszyn
Adam Wenceslaus of Cieszyn( 12 December 1574 – 13 July 1617), was a Duke of Cieszyn from 1579 until his death.
He was the second but only surviving son of Wenceslaus III Adam, Duke of Cieszyn, by his second wife Sidonia Katharina, daughter of Francis I, Duke of Saxe- Lauenburg.
His older half- brother, Frederick Casimir, only son of Wenceslaus III Adam's first marriage, died a few years before he was born, in 1571.

Question: Who is Wenceslaus Iii Of Bohemia's maternal grandmother?
Answer: Gertrude of Hohenburg