Rakel Elisabeth was born in 1917. She passed away in 2009.
Family records and official documents.
Interview with Rakel Niskakoski by her son, relayed to [[Niskakoski-1|Juha Soini] by email.
Official certificate for genealogy research from the vicarage of Ylitornio parish based on church books. Finnish secrecy laws prohibit the publishing of any documents obtaining information of persons who are born less than 125 years ago. Said certificate is kept by profile manager Juha Soini and can be obtained for private viewing.