Jeyne Lannister is the wife of Aemon Estermont and sister of Loren Lannister. With Aemon she has six children, Martin, Elwin, Bennet, Wimarc, Elena, and Katherine.
History
Jeyne Lannister is the youngest daughter of Lord Gerion Lannister and Lady Rhya Lannister (Formerly Lady Rhya Frey). At a young age she was married off to Aemon Estermont, the Lord of Greenstone, in order to secure a wealthy ally in the east for House Lannister.
Family
Gerion Lannister, father (deceased)
Rhya Lannister, mother (deceased)
Tyrius Lannister, brother (deceased)
Loren Lannister, brother
Aemon Estermont, husband
Martin Estermont, son
Elwin Estermont, son
Wimarc Estermont, son
Bennet Estermont, son
Katherine Estermont, daughter
Elena Estermont, daughter