House Kenning of Harlaw is a noble house from Harlaw, one of the Iron Islands. According to semi-canon sources the house blazons its arms with the Storm God's cloudly hand, pale grey, yellow lightning flashing from the fingertips, on black.
The Kennings were once bitter foes of House Harlaw, but were defeated and are now their vassals.
Herrock Kenning, an ironborn warrior from the island of Harlaw, founded House Kenning of Kayce.
The known Kennings of Harlaw during the timespan of the events described in A Song of Ice and Fire are:
Ralf Kenning, an ironborn captain.
Qarl Kenning, known as Queer Qarl Kenning.