He married Bathsheba Roene in 1838. They were the parents of the following children:

Lot Jenne 1839 – 1917
Olive E. Jenne 1846 –

His second marriage was to Huldah F. Washburn on November 17, 1868 in Taunton, Mass. They were the parents of:

Cora Washburne 1865 – (Stepdaughter)

BIO:
"Rev. Alonzo O. Jenne, son of Seth and Achsah (Hathaway) Jenne, was born at Hartland, VT, May 04, 1822. He became a Christian in 1837, and received license to preach in 1847, studying at Whitestown Seminary, NY, and was ordained in April 1853. He became pastor of the church at Grand Lodge, Mich., and continued with it thirteen years. He also ministered to the church at Chester two years, and at Eaton Rapids two years. He baptized sixty-six converts, and served as clerk of the Grand River Quarterly Meeting.
On October 07, 1846, he was married to B. Roena Hathaway, and in November, 1868, to Mrs. Huldah F. Washburn, of Taunton, Mass."
..........

Note: Above information provided by [email protected]

1850 United States Federal Census
about Alonzo O Jenne
Name: Alonzo O Jenne
Age: 28
Birth Year: abt 1822
Birthplace: Vermont
Home in 1850: Chester, Eaton, Michigan
Gender: Male
Family Number: 1199
Household Members:
Name Age
Alonzo O Jenne 28
Bathsheba Jenne 32
Lot Jenne 11
Olive E Jenne 4
Thomas Hathaway 36

1860 United States Federal Census
about Alonzo O Jenney
Name: Alonzo O Jenney
Age in 1860: 38
Birth Year: abt 1822
Birthplace: Vermont
Home in 1860: Oneida, Eaton, Michigan
Gender: Male
Post Office: Grand Ledge
Value of real estate: View image
Household Members:
Name Age
Alonzo O Jenney 38
Bethshebe R Jenney 41
Henry C Cane 9

1880 Census record shows he was married to Hulda F. Sekell whose parents were William and Mary A. Sekell. Their headstones are near Alonzo Jenne and Bathsheba Jenne Monument headstone.

1880 United States Federal Census
about Alonzo O. Jenne
Name: Alonzo O. Jenne
Age: 58
Birth Year: abt 1822
Birthplace: Vermont
Home in 1880: Grand Ledge, Eaton, Michigan
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: Hulda F. Jenne
Father's Birthplace: Massachusetts
Mother's Birthplace: Massachusetts
Neighbors: View others on page
Occupation: Local Preacher & Tac
Household Members:
Name Age
Alonzo O. Jenne 58
Hulda F. Jenne 38
Cora Washburne 15
William Seekell 72
Mary A. Seekell 68
Nancy E. Hathaway 12