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.
Pietro Metastasio
Pietro Antonio Domenico Trapassi, better known by his pseudonym of Pietro Metastasio( 3 January 1698 – 12 April 1782), was an Italian poet and librettist, considered the most important writer of" opera seria" libretti.
Pietro Antonio Solari
Pietro Antonio Solari (Latin: Petrus Antonius Solarius) (c. 1445 – May 1493), also known as Pyotr Fryazin, was an Italian architect and sculptor.
He was born in Carona, Ticino, and apprenticed under his father Guiniforte Solari, himself an architect and sculptor.
In 1476, he was hired to continue the construction of the Duomo di Milano.
Later on, he was in charge of several construction projects in Milan.
In 1484 he sculpted a tomb in the Cathedral of Alessandria.
In 1487, he was invited to Russia by Ivan III to construct the walls and towers of the Moscow Kremlin.
Within the next two years, Solari built most of the walls (excluding the western wall built by his successor Aleviz) and towers of the Kremlin, including the Borovitskaya, Konstantino-Eleninskaya, Spasskaya, Nikolskaya, and Corner Arsenalnaya towers.
Engineering methods, technique and architectural forms, used by Solari, were reminiscent of the fortifications of Northern Italy.
On top of the Spasskie Gates there was inscribed the following inscription: IOANNES VASILII DEI GRATIA MAGNUS DUX VOLODIMERIAE, MOSCOVIAE, NOVOGARDIAE, TFERIAE, PLESCOVIAE, VETICIAE, ONGARIAE, PERMIAE, BUOLGARIAE ET ALIAS
TOTIUSQ(UE) RAXIE D(OMI)NUS, A(N)NO 30
IMPERII SUI HAS TURRES CO(N)DERE F(ECIT)
ET STATUIT PETRUS ANTONIUS SOLARIUS MEDIOLANENSIS A(N)NO N(ATIVIT)
A(TIS)
D(OM)INI 1491 K(ALENDIS) M(ARTIIS) I(USSIT)
P(ONERE).
Together with Marco Ruffo, Solari also built the Palace of Facets in the Kremlin.
He died in Moscow in May 1493.
Pietro Antonio Avanzini
Pietro Antonio Avanzini( Piacenza, 1656- 1733) was an Italian painter.
Guiniforte Solari
Guiniforte Solari (c. 1429 – c. 1481), also known as "Boniforte", was an Italian sculptor, architect and engineer.
Born in Milan, he was the son of the architect Giovanni Solari, and brother of Francesco Solari.
Guiniforte was chief engineer of the Duchy of Milan during his life.
He is especially remembered for his disputes with Filarete, who had been called by Duke Francesco
I Sforza to modernize the Lombard architecture according to the new Renaissance styles.
However, Solari represented the local Gothic tradition.
Buildings which he worked on include the Duomo, the church of Santa Maria delle Grazie and the Ospedale Maggiore in Milan, and the Certosa of Pavia.
Also attributed to him is the Portinari Chapel, in the church of Sant'Eustorgio, Milan.
He died in Milan around 1481.
His son Pietro was also a distinguished sculptor and architect.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
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.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.

Question: Who is Pietro Antonio Solari's paternal grandfather?
Answer: Giovanni Solari