My Jane PATERSON (OVENS) was born in 1823 in Peebles Scotland.William was born in Biggar, in about 1826 and they married in Peebles in 1853. Of their children Elizabeth Keddie OVENS married William SUMMERS Thomas OVENS married a Margaret (surname unknown) Jane Paterson OVENS was unmarried in 1901.
This family is too late to be of your family but may or may not have been William OVENS sibling.(I have no knowledge of Williams' Parentage)
I do have another OVANS/OVENS family Thomas OVANS/OVENS b c1797 Biggar married MARION PATERSON b c 1785 Libberton (your Jane could have been of this family)?
They had 1 known child..John OVENS b c1830
John married a Jane GILCHRIST of Crawfordjohn in 1857.