Hannah Stephenson

Hannah Stephenson was my Grandmother's sister her name was Emily Jane DOB April 10th 1862 I am looking for informatoin on her mother Jane Cohen born Hobartown Tas.
Her father was John Cohen mother Mary they were shoe makers I would love to get her birth certificate so I can go further
Hannah married Henry Pain Radnell and if anybody is interested I have a photo of Graeme Radnell at 7 months