Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Mata Kaulan
Mata Kaulan( ਕੌਲਾਂ) is believed to be a spiritual woman who lived during time of Guru Hargobind Sahib, the 6th Sikh Guru.
Kaulan means the" one who is Living in abode of Lotus".
There is dispute among historians regarding Mata Kaulan and her relation to Guru Hargobind.
Some scholars believed her to have been the wife of Guru Hargobind, where others believe that she was his servant.
Scholars commonly hold the viewpoint that she was a true disciple of Guru Hargobind and spent her life under directions of the Guru.
Baba Gurditta
Baba Gurditta was the son of Guru Hargobind and the father of Guru Har Rai of Sikhism.
There is a gurudwara in Kiratpur Sahib, Punjab which is in remembrance of Baba Gurditta.
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
Guru Hargobind
Guru Hargobind (19 June 1595 - 3 March 1644), revered as the "sixth Nanak", was the sixth of ten Gurus of the Sikh religion.
He had become Guru at the young age of eleven, after the execution of his father, Guru Arjan, by the Mughal emperor Jahangir.
Guru Hargobind introduced the process of militarization to Sikhism, likely as a response to his father's execution and to protect the Sikh community.
He symbolized it by wearing two swords, representing the dual concept of miri and piri (temporal power and spiritual authority).
In front of the Harmandir Sahib in Amritsar, Guru Hargobind constructed the Akal Takht ("the throne of the timeless one").
The Akal Takht represents the highest seat of earthly authority of the Khalsa (the collective body of the Sikhs) today.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Mata Nanaki
Mata Nanaki( 1598- 1678) was the wife of the sixth Sikh Guru, Guru Hargobind and the mother of Guru Tegh Bahadur, the ninth Sikh Guru.
She was born in Amritsar and married to Guru Hargobind in 1613.
She witnessed the severed head of her martyred son, Guru Tegh Bahadur Ji, and accepted it as the will of God.
She continued to serve the community till her death.
Bibi Nanki was the daughter of Hari Chand of village Bakala.
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.
Guru Arjan
Guru Arjan  15 April 1563 – 30 May 1606) was the first of the two Gurus martyred in the Sikh faith and the fifth of the ten total Sikh Gurus.
He compiled the first official edition of the Sikh scripture called the Adi Granth, which later expanded into the Guru Granth Sahib.
He was born in Goindval, in the Punjab, the youngest son of Bhai Jetha, who later became Guru Ram Das, and Mata Bhani, the daughter of Guru Amar Das.
He was the first Guru in Sikhism to be born into a Sikh family.
Guru Arjan led Sikhism for a quarter of a century.
He completed the construction of Darbar Sahib at Amritsar, after the fourth Sikh Guru founded the town and built a pool.
Guru Arjan compiled the hymns of previous Gurus and of other saints into Adi Granth, the first edition of the Sikh scripture, and installed it in the Harimandir Sahib.
Guru Arjan reorganized the Masands system initiated by Guru Ram Das, by suggesting that the Sikhs donate, if possible, one-tenth of their income, goods or service to the Sikh organization ("dasvand").
The "Masand" not only collected these funds but also taught tenets of Sikhism and settled civil disputes in their region.
The "dasvand" financed the building of gurdwaras and langars (shared communal kitchens).
Guru Arjan was arrested under the orders of the Mughal Emperor Jahangir and asked to convert to Islam.
He refused, was tortured and executed in 1606 CE.
Historical records and the Sikh tradition are unclear whether Guru Arjan was executed by drowning or died during torture.
His martyrdom is considered a watershed event in the history of Sikhism.
It is remembered as "Shaheedi Divas of Guru Arjan" in May or June according to the Nanakshahi calendar released by the Shiromani Gurdwara Parbandhak Committee in 2003.

Question: Who is Guru Hargobind's paternal grandfather?
Answer: Guru Ram Das