Her Baptism is probably found on the Glamorgan Baptism Index (1569-1837) CD as follows:
Welsh St Donats: 12 July 1761 Jane Bassett, D/O George & Jane
Oct 1790 Will of Mary Leyson: left a house in Prisk (Welsh St Donats) to Jane Bassett the daughter of the said Thomas & Jane Bassett, except that part of the house now inhabited by her Mother Jane Bassett. (PM-639)
Robert Bassett Will of 1849 (proved 1852) indicates that his sister, Jane left him property in Prisk. (PM-406.3)