John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Jadwiga of Kalisz
Jadwiga of Kalisz (Polish: "Jadwiga Bolesławówna"; 1266 – 10 December 1339) was a Queen of Poland by marriage to Władysław
I the Elbow-high.
She was the mother of the last Piast King of Poland, Casimir III.
She was the second of three daughters born to Bolesław the Pious and Saint Yolanda of Hungary.
In 1293, Jadwiga married Władysław
I the Elbow-high.
Yolanda of Poland
Yolanda of Poland (also known as Helen; 1235 – 11 June 1298) was the daughter of King Béla IV of Hungary and Maria Laskarina.
She was the sister of Margaret of Hungary and Kinga of Poland (Cunegunda).
One of her paternal aunts was the Franciscan Elizabeth of Hungary.
Hedwig of Gudensberg
Hedwig of Gudensberg, also known as" Hedwig of Hesse"( 1098 – 1148) was German regent: she served as regent of Thuringia during the minority of her son Louis II from 1140.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.
Hedwig of Brandenburg
Hedwig of Brandenburg, also called Hedwig of Ballenstedt( – end of March 1203), a member of the House of Ascania, was Margravine of Meissen from 1156 until 1190 by her marriage with Margrave Otto II.
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.

Question: Who is the maternal grandfather of Jadwiga Of Kalisz?