Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Salome of Greater Poland
Salome of Greater Poland also known as Salomea Odonicówna (literally daughter of Odonic)
(b. – d. April 1267?)
, was a Polish princess member of the Piast dynasty from the Greater Poland branch and by marriage Duchess of Glogów.
She was the third child but eldest daughter of Duke Władysław Odonic of Greater Poland by his wife Jadwiga.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Countess Anna of Nassau
Countess Anna of Nassau (5 November 1563 – 13 June 1588) was a daughter of William the Silent and his second wife, Anna of Saxony.
She was the wife of William Louis, Count of Nassau-Dillenburg.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Anna of Glogau
Anna of Glogau (1250/52 – 25 June 1271) was the eldest child of Konrad I, Duke of Silesia-Glogau and his first wife Salome of Greater Poland.
Anna was a member of the House of Piast.

Question: Who is Anna Of Glogau's maternal grandfather?
Answer: Władysław Odonic