John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Infanta Elena, Duchess of Lugo
Infanta Elena, Duchess of Lugo
(Elena María Isabel Dominica de Silos de Borbón y de Grecia; born 20 December 1963) is the first child and elder daughter of King Juan Carlos I of Spain and Queen Sofía of Spain, and third in the line of succession to the Spanish throne.
She has a younger sister, Infanta Cristina, and a younger brother, King Felipe VI.
Infanta Elena has represented her family abroad on several occasions, having travelled to Germany, the United Kingdom, the United States, Argentina, Japan, Peru, and the Philippines.
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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Queen Sofía of Spain
Sophia of Greece and Denmark (born 2 November 1938) is a member of the Spanish royal family who served as Queen of Spain during the reign of her husband, King Juan Carlos
I, from 1975 to 2014.
Queen Sofía is the first child of King Paul of Greece and Frederica of Hanover.
As her family was forced into exile during the Second World War, she spent part of her childhood in South Africa, returning to Greece in 1946.
She completed her secondary education in a boarding school in Germany before returning to Greece where she specialised in childcare, music and archaeology.
She married Juan Carlos, son of the Spanish pretender Infante Juan, on 14 May 1962 with whom she has had three children: Elena, Cristina, and Felipe.
She became queen upon her husband's accession in 1975.
On 19 June 2014, Juan Carlos abdicated in favor of their son Felipe VI.
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
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 Infanta Elena, Duchess Of Lugo?
Answer: Paul of Greece