!Documentation:
- 1870 U. S. Census. 7th Ward of Detroit, Wayne Co., Michigan.
See Frank Petri.
(Have copy)
- 1880 U. S. Census. 5th-8th Ward of Detroit, Wayne Co., Michigan.
See Frank Petri.
(Have copy)
- Death Record, Michigan Dept. of Health, Registered No. 1708.
Mariana (Holthoefer) Petri died March 1911 at Detroit, Michigan.
(Have copy).
- Cemetery Record, Mt. Elliot Cemetery, Detroit, Michigan
Lot 73-B, Grave #6. (Buried next to husband, Frank Petri).
(Have copy)
- Prayer Card, Marianna Petri.
Has deathdate, place and age.
(Have copy)

!Information:
- Mariana was also known as Mary Anna & Ann Marie.
- Mariana Holthoefer Petri was born in Germany. The earliest record of
Mariana in the U.S. is dated 1858 at Detroit, as a witness to her sister's
marriage. The earliest record of any Holthoefer in the U.S. is dated 1853
at Detroit, when her brother, Joseph, was a witness to a friends marriage.

!Documentation:
- "Early Land Transfers, Detroit & Wayne County, Michigan, COunty & City,
Volumes 1 & 82, 1826-1862" Published 1939. Copy at Detroit Public Library.
Date of land transfer: 28 Jan. 1860 at Detroit.
(Have copy)
- Land record, Wayne County Register of Deeds, Michigan. Book #114, Page 449.
Date of land transfer: 25 July 1865 at Detroit.
(Have copy)
- U. S. Citizen Paper, United States Department of State, #16712.
Date of Document: 30 Dec 1864 at Washington D.C.
Original document was in possesion of Mildred Petri Hunt (Detroit).
(Have copy).
- 1870 U. S. Census, 7th Ward of Detroit, Wayne County, Michigan.
Page #193, Dwelling No. 1300, Family No. 1504,
Frank Petri, his wife Marianne, children Christine and Kathrina listed
by name.
(Have copy)
- 1880 U. S. Census, 5th-8th Ward of Detroit, Wayne County, Michigan.
Page #57, Supervisor's District #1, Enumeration District #287,
Address: 298 Riopelle St.
Frank Petri, his wife Marianne, children Christine, Catherine, Franceska
and John listed by name.
(Have copy)
- Death Record, Dept. of Health, Detroit, Michigan, Registered #80685.
Frank Petri died 13 July 1900 at Detroit, Michigan.
(Have copy)
- Cemetery record, Mt. Elliot Cemetery, Detroit, Michigan.
Lot 73-B, Grave #6.
(Have copy)

!Information:
- Frank Petri was also known as Francis Petri.
- Frank Petri was born in Germany on 25 August 1828. The earliest record of
Frank living in America is dated 28 Jan. 1860 in Detroit. It is unknown
when Frank Petri emigrated to America. It is suspected that he emigrated
alone; no evidence has been uncovered linking Frank Petri with any other
Petris in or near Detroit.
- U. S. Citizen Paper, United States Department of State, #16712.
Date of Document: 30 Dec 1864 at Washington D.C.
This document has a phsical description of Frank Petri.
- Frank Petri was the father of 9 children, of which 4 were living
at the time of his death in 1900.
- Occupation & Residence
1828-xxxx Germany
1860-1861 Detroit, Michigan
1862-1867 tanner , Detroit, Michigan
1868-1971 teamster/drayman, Detroit, Michigan
1872-1874 unknown , unknown
1875-1986 teamster/drayman, Detroit, Michigan
1887-1900 retired ? , Detroit, Michigan

!Future Research:
- Locate Frank Petri in 1860 U. S. Census (Try Detroit, 7th Ward).
- Locate Frank Petri in 1890 U. S. Census (Try Detroit, 7th Ward).
- Locate Frank Petri in 1900 U. S. Census (Try Detroit, 7th Ward).