The Lineages and Histories of the Great Houses of the Seven Kingdoms
From A Wiki of Ice and Fire
The Lineages and Histories of the Great Houses of the Seven Kingdoms, With Descriptions of Many High Lords and Noble Ladies and Their Children is a book written by Maester Malleon. It describes the lineages of the major houses in the Seven Kingdoms. It is a massive book.
The version of the book used in the TV series Game of Thrones includes non-canon members of House Umber, including Harkon Umber, Mycah Umber, Lucan Umber, Gareth Umber, Joseth Umber, Regan Umber, and Corin Umber,