Abraham Jacob Siegel

--If correct Arrival Record, he arrived in the US in 1906 at age 49. His wife was 48. Arrival record corresponds to the one identified in Philip's naturalization record.

--From NY Index to Death Certificates (via Ancestry): includes these relevant items
Name: Aria Siegel -- Age: 80 -- Birth Date: 1849 -- Birth Place: Russia -- Father's Birth Place: Russia -- Mother's Birth Place: Russia -- Father: Hirsh Siegel -- Mother: Sarah Siegel

According to Town Finder at JewishGen,
There is a Slobodka in Belarus, and there is a Slobodka that was the Yiddish name for Villajampole - Villajampole is now in Lithuania - and is the one meant here.

--in the New York, New York, U.S., Index to Death Certificates, 1862-1948 (per AncestryLibrary): Jacob Siegel -- Marital status: Married -- Age: 64 -- Birth Date: 8 Sep 1882 -- Birth Place: Russia -- Residence Street Address: 2075 Walton Ave -- Residence Place: New York -- Death Date: 2 Aug 1947 -- Death Street Address: 2075 Walton Ave -- Death Place: New York City, Bronx, New York, USA -- Cause of Death: Coronary Occlusion Coronary Arteriosclerosis -- Burial Date: 3 Aug 1947 -- Burial Place: MT Hebron Cemetery -- Occupation: Operator -- Father's Birth Place: Russia -- Mother's Birth Place: Russia -- Father: Harry Siegel -- Mother: Leah Siegel -- Spouse: Mary Siegel -- Child: Belle Morafky -- Informant: Belle Morafky -- Informant Relationship: Daughter -- Executor: Mary Siegel -- Executor Relationship: Wife -- Certificate Number: 7764

--The photo of Jacob and Mary's Gravestones shows Jacob as dying on Aug. 2, 1947 - same as above https://www.geni.com/photo/view?photo_id=6000000085125074843
His name is given in the Hebrew as [Ben-Tzion Yakov] son of [Aryeh Aba]

--JOWBR has SIEGEL, Jacob -- Place of Death: Bronx, NY -- Date of Desth: 02-Aug-1947 -- Hebrew Name: Ben-Tzion Yakov b. Aryeh Abba. -- Age: 64 -- Spouse: Mary -- Father: Harry -- Mother: Leah -- Comments: "beloved husband and dear father/brother of Philip" -- Mt. Hebron Cemetery / Kovner Young Men / Block 28, Path 2 - in Queens, NY