Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Constantin Cantacuzino (stolnic)
Constantin Cantacuzino (1639 – Constantinople, 7 June 1716) was a Romanian nobleman and historian who held high offices in the Principality of Wallachia.
He was a humanist scholar who drew the first local map of Wallachia in 1700, and started to write a "History of Wallachia" which remained unfinished.
In his "History of Wallachia", he "accepted a Daco-Roman mixing" (Lucian Boia) in connection with the origin of the Romanians.
A promoter of a prudent anti-Ottoman policy, he was executed together with his son Ștefan.
Theodora of Wallachia
Theodora  of Wallachia was the daughter of Basarab I of Wallachia (r. 1310–1352) and Lady Margareta.
She married Ivan Alexander of Bulgaria as his first wife.
This marriage produced four children — Michael Asen, Ivan Sratsimir, Ivan Asen and Vasilisa.
In 1345 Tsar Ivan Alexander divorced Tsaritsa Theodora and sent her into a monastery as a nun under the name Teofana.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Milica Despina of Wallachia
Milica Despina( – 30 January 1554) was the Princess consort of Wallachia by marriage to Neagoe Basarab.
She was regent of Wallachia from 1521 to 1522, on the behalf of her son Teodosie of Wallachia.
In later years she became a nun, and took the name Platonida.
Basarab I of Wallachia
Basarab I , also known as Basarab the Founder , (c. 1270 – 1351/1352) was a "voivode", and later the first independent ruler of Wallachia who lived in the first half of the .
Many details of his life are uncertain.
Although his name is of Turkic origin, 14th-century sources unanimously state that he was a Vlach.
Basarab came into power before 1324, but the circumstances of his ascension are unknown.
According to two popular theories, he succeeded either his father, Thocomerius, or the legendary founder of Wallachia, Radu Negru.
A royal charter issued on 26 July 1324 is the first document to reference Basarab.
According to the charter, he was subject to Charles I of Hungary as the voivode of Wallachia.
Basarab became "disloyal to the Holy Crown of Hungary" in 1325.
He seized the Banate of Severin and raided the southern regions of the Kingdom of Hungary.
Basarab supported Michael Shishman of Bulgaria's attack against the Kingdom of Serbia, but their united armies were defeated in the Battle of Velbazhd on 28 July 1330.
Soon after, Charles I of Hungary invaded Wallachia, but the Wallachians ambushed and almost annihilated the royal troops in the Battle of Posada, which occurred between 9 and 12 November 1330.
The Battle of Posada ended Hungarian suzerainty in Wallachia, and the first independent Romanian principality was consequently founded.
Basarab's descendants ruled Wallachia for at least two centuries.
The region of Bessarabia, situated between the rivers Dniester and Prut, was named for the Basarab dynasty.
Theodora of Alexandria
Theodora of Alexandria was a saint and Desert Mother who was married to a prefect of Egypt.
In order to perform penance for a sin she committed, she disguised herself as a man and joined a monastery in Thebaid.
Her true identity as a woman was discovered only after her death.
A rare image of Theodora in Western art is a print by Bernardino Capitelli, made in 1627 for Theodora Costa dal Pozzo, showing St Theodora of Alexandria disguised as a monk and caring for the child that she was accused of fathering( Vienna: Graphische Sammlung Albertina).
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Heinrich XXIV, Count Reuss of Ebersdorf
Heinrich XXIV, Count Reuss of Ebersdorf( 22 January 1724 in Ebersdorf – 13 May 1779 in Ebersdorf), was ruler of the German county Reuss- Ebersdorf from 1747 till his death.
He was the eldest son of the thirteen children of Heinrich XXIX, Count of Reuss- Ebersdorf and Sophie Theodora of Castell- Remlingen.
He was the grandfather of King Leopold I of Belgium and the great- grandfather of Queen Victoria( through his daughter Augusta).
Heinrich XXIV succeeded his father as Count of Reuss- Ebersdorf in 1747.

Question: Who is the paternal grandfather of Theodora Of Wallachia?
Answer: Thocomerius