Martin draws heavily from classical and medieval literature where breaking guest right is the ultimate moral crime.
In medieval Scotland and Westeros, a host was morally and legally obligated to protect those eating at their table. what was the red wedding based on
George R.R. Martin, an avid historian, drew inspiration from this event when crafting the Red Wedding scene in his book, A Storm of Swords. The Red Wedding occurs when the Starks, a noble family in the series, are invited to a wedding at the Frey's castle, the Twins. Unbeknownst to them, the Freys have allied with their enemies, the Boltons, and have set a trap. Martin draws heavily from classical and medieval literature
The Red Wedding's use of a wedding celebration as a backdrop for massacre and betrayal may have been influenced by real-life events: Martin, an avid historian, drew inspiration from this
George R.R. Martin has acknowledged that he drew inspiration from this historical event when creating the Red Wedding, which occurs in his book "A Storm of Swords". The Red Wedding is a shocking and devastating event in which the Starks, led by Robb Stark, are betrayed and massacred by their hosts, the Freys and the Boltons, at Edmure Tully's wedding to Roslin Frey.