Walder Frey is the Lord of the Crossing and head of House Frey. Though almost ninety years old and infirm, he still maintains an active hand in the running of his house at the Twins.[8] In the television adaptation Game of Thrones, he is played by David Bradley.[7]
Main Spoilers) House Frey Family Tree : r/asoiaf
Walder Frey (son of Ryman) - A Wiki of Ice and Fire
Walter Frye's Instagram, Twitter & Facebook on IDCrawl
Walder Frey Game of Thrones+BreezeWiki
Quellen für Das Lied von Eis und Feuer
ASOIAF University — Hello! What's up with Big Walder?
Walder Frey, Wiki of Westeros
A World Of Ice & Fire #23 Declaring War On Walder Frey!
Little Walder Frey, Villains Wiki