|Coat of arms
Quartered of six: red lips strewn on yellow, yellow skulls strewn on black
(Quarterly of six or semé of lips gules, sable semé of skulls or)
House Lonmouth is a noble house from the stormlands, sworn to House Baratheon. They blazon their arms quartered of six, alternating red lips strewn on yellow and yellow skulls strewn on black. According to a semi-canon source, their words are "The Choice Is Yours".
Ser Joffrey Lonmouth, a close friend of Ser Laenor Velaryon, was mortally wounded by Ser Criston Cole at the wedding tourney of Laenor and Princess Rhaenyra Targaryen. Laenor named his son, Prince Joffrey Velaryon, after his late friend.
Ser Richard Lonmouth was a former squire and close personal friend of Prince Rhaegar Targaryen. At a feast at the tourney at Harrenhal, Lord Robert Baratheon outdrank a member of House Lonmouth, most likely Richard.
House Lonmouth at the end of the third century
The known Lonmouths during the timespan of the events described in A Song of Ice and Fire are:
- Ser Richard Lonmouth, called the "Knight of Skulls and Kisses", a companion and former squire of Prince Rhaegar Targaryen.