Your clues about the Jake that died gave new insight, found this; May of found Jake H. Arends mother and stepfather..and mothers first name need maiden name ??
1920 Iowa Tama County, Grant Twp, Dist 182, image 10 104/107 Hie Bleeker ,47 IA Ger Ger Farm Laborer Hazel 29, Ger Ger Ger Anna M. Arends 8 IA Ger Ger Jake H. " 7 IA GER GER Harm Bleeker 5 IA IA Ger Henry " 2 8/12 IA IA Ger
1930 Iowa Grundy Co. Palermo Dist 17, image 23 1006 L. Ave. 328/331 Hie Bleeker 55,mar.atage39, IA GER GER Common Lab. Hazel 39,mar.atage20, Ger Ger Ger, immigrated 1895 naturalized Anna A. Arends stepdau, 18 b IA Jake stepson 17 b Iowa Harm Bleeker 15 " Arlene " 8 Marlene " 8 Hilda " 2
By the census it shows Jake's father born in Germany, and I could not find one that fit in 1910, he might not have arrived in Iowa by this time ?? May be there but 1910 is a hard one to find a lot of people. Howard