You may already have this information, but just in case:
1930 MI Saginaw Co. Dist 48 image 33, 810 Clark St. Emil Colpean36mar#1atage29, b MI Ger Ger. Labor Power PlantWW1 veteran Goldie23 marr#1atage16, b MI MI MI Edward6 MI Robert3" Jack1"
Ancestry Family Trees: Emil Colpeanb 9 Feb 1890 SaginawMI, died 5 Aug 1961, buried Rock Island National Cemetery Illinois. married Goldie Sulcer abt 1923, she was b Oct 26 1906 Carp Lake MI. children Edward Lee b 1922 d 1982; Robert Lee b 1929 d 1973 and a living son .
1917/18 draft card: Emil Edward Colpean age 27, Saginaw Michigan,born Feb 9 1890, a Tailor for LakeCarreles Assn. Toledo Ohio, single, He was short and weighed 122 pounds, with brown eyes and light brown hair. June 5 1917
1910 MI Saginaw Zilwaukee Twp, Dist 79, image 9 83/83 Charles Colpean52 mar28yrs, b Ger imm 1872 NA, Laborer Lumber Yard Louisa45 Mar 28yrs, 7 chb, 6liv, b Ger, imm1878 Wilhelmina26 m MIFactory George24"Laborer Albert22""" Emil20Blamning Mill ? (Planning) Frederick15 Carl12 Vernon2
1900 MI SaginawZilwaukee Twp Dist 78 image 11/12 110/113Charles H. Colpean Aug 1853, mar187rs, b Ger imm 1869 in US 31yrs, Laborer Saw Mill Louisa A. Sep 1863 mar18yrs, 7chb, 7liv, imm 1866 in us 33yrs Mamie A. Feb 188916 b MI George F. Jul 188514 b MI Albert A. Jan 188812" Emil WFeb 189010 Bernhaedt W. Dec 18918 Fred M.Jun 18954 Charles G.Oct 18972
1920Charles H and Louisa with children Mamie, George, Frederick, Carl, and Vernonin Saginaw
The Forest Lawn CemeterySaginaw Has the family burials for seven members of the family. If you do not have those I can send,or go to Findagrave.com and see them. This is all I have looked up so far, since I did not know what you might have already.I can search further, if you tell me, what you are lacking.Howard Boswell