Andrew Lyon and Fanny Abernethy (born circa 1773 Peterhead) had four children I can find:
Anne Lyon b 1797 Peterhead married Alexaner Greig 1832 Peterhead, died 1859 Peterhead
Margaret Lyon b 1809 Peterhead, unmarried in 1851 census for Peterhead
Andrew Lyon b 1802, died 1870 Peterhead
Unknown female Lyon possibly married unknown Birnie
Daughter Francis Birnie who married William Begrie 1851 Peterhead
Is anyone researching this family.