Who were the parents of Jane Margaret Andrew-McEwen

Question

Jane Margaret Andrew-McEwen lived in the years 1840-1886.  She married Duncan McEwen who was born in the year 1835 in Perth, Scotland and died in the year 1892.

They had five children: Margaret Ann McEwen-Dalgleish (b. 1870), Peter Spurgeon McEwen (b. Sep 2, 1873), Ella Jane McEwen-Willson (b. 1873), James Andrew McEwen (b. 1876), and Duncan Blake McEwen (b. 1880).

Duncan McEwen was the son of Peter McEwen (Scotland 1802-Oct 2, 1869 Russel Township, Canada) and Margaret Andrew-McEwen (Scotland 1796-1877).

I have no background information for Jane Margaret Andrew-McEwen.  Please help!