Konoe Nobuhiro
, Ōzan (応山) as a monk, was a "kugyō" or Japanese court noble of the Edo period (1603–1868).
He was born the fourth son of Emperor Go-Yōzei.
His mother was Empress Dowager Chūka, or Konoe Sakiko by birth.
Nobuhiro was adopted by Konoe Nobutada, his maternal uncle, as Nobutada had no legitimate heir.
He had his genpuku ceremony in 1606 and was promoted to higher positions successively afterward.
He was Udaijin in 1620; and he held the regent position of kampaku from 1623 to 1629.
In 1645 he became a monk.
After his death, he was buried in his family's tomb at Daitoku-ji.
It is obscure who was his wife; but there are accounts that he had three children.
Hisatsugu was his son and heir.
Another son became a priest at Kajū-ji  and was titled Kanshun (寛俊).
A daughter of his was a consort of Tokugawa Mitsukuni, second head of the Mito Domain.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
Tokudaiji Saneatsu
He was the son of Tokudaiji Kin'ari.
His children were Tokudaiji Fusako( wife of Konoe Hisamichi and mother of Konoe Taneie and Koga Haremichi), Tokudaiji Kintane, Hino Uchimitsu and a wife of Koga Michinobu.
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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Konoe Sakiko
Konoe Sakiko (近衛 前子)(1575 August 11, 1630) was a member of the Japanese imperial court from the Azuchi-Momoyama period to the Edo period.
She was a consort to Emperor Go-Yozei, and the mother of Emperor Go-Mizunoo.
Her birth father was Konoe Sakihisa, and her adopted father was Toyotomi Hideyoshi.
Her posthumous Buddhist name was Chukamonin (中和門院).
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Konoe Nobuhiro's maternal grandfather?
Answer: Konoe Sakihisa