Yakov-Itzhak Lubetkin

--From 'Jewish Women's Archive' Encyclopedia / The Encyclopedia of Jewish Women- article on Zivia Lubetkin -- "Zivia Lubetkin was born on ... in the town of Beten in eastern Poland, where in 1880 her father, Ya’akov-Yizhak, who ran a small business, had also been born."

--According to Page of Testimony submitted by her sister Ahuva
Last Name: Klebanski -- First Name: Golda -- Maiden Name: Lubetkin
Date of Birth: 1909 -- Place of Birth: Biten,Slonim,Nowogrodek,Poland
Father's First Name: Yitzkhak -- Father's First Name: Yaakov
Mother's First Name: Khaia

https://yvng.yadvashem.org/nameDetails.html?language=en&itemId=...
Is a Page of Testimony "submitted by his daughter, Ahuva Frid Lubetkin"

Last Name: Lubetkin -- First Name: Yaakov
Age: 62 -- Date of Birth: 1880 -- Place of Birth: Poland
Spouse's First Name: Khaia -- Spouse's Maiden Name: Zalberman
Permanent Place of Residence: Biten,Slonim,Nowogrodek,Poland
Profession: [in Hebrew, not translated into English]
Place during the War: Biten,Slonim,Nowogrodek,Poland
Place of Death: Biten,Slonim,Nowogrodek,Poland
Date of Death: 1942. -- Status according to Source: murdered