JEAN HAMILTON (aka JANET or JOANNA HAMILTON)
Janet ‘Jean’ Hamilton
'According to John Anderson, Surgeon (1825), Lady Jean Hamilton is the daughter of James, Earl of Arran, and Janet Betoun. She is said by him to have married Alexander, Earl of Glencairn. [Hamilton Memoirs: 82] https://archive.org/details/historicalgeneal00ande/page/82
The Reverend John Anderson (1907), Curator, Historical Department, H.M. General Register House, disagreed with his earlier namesake. According to him, Lady Jean or Janet Hamilton was probably Earl James's bastard daughter. He says that she married Alexander, Master of Glencairn but separated from him before 11 July 1545, when she is referred to as his former wife. [The Scots Peerage IV: 364] https://archive.org/stream/cu31924092516214#page/n387/mode/1up
Stirnet refers reports her name as Joanna, or Jean Hamilton, and cites Lieutenant colonel George Hamilton's history, where she is identified as one of Earl James's bastard daughters. [Stirnet: Hamilton 01] https://www.stirnet.com/genie/data/british/hh4aa/hamilton01.php