The Lord of the Mallor is the title given to the ruler of the river of the Mallor and the castle of Westwater Watch in the Reach. It is held by House Mallory, vassals of House Tyrell. The present Lord of the Mallor is Axell Mallory.
| Head: | Lord Axell Mallory | Heir: |  | ||
| Seat: | Westwater Watch | Lands: | The Reach | ||
| Titles: | King of the Mallor (former) · Lord of the Mallor · Lord Defender of the Reach | ||||
| Ancestors: | Marlin Mallory · Delvin Mallory | ||||
| Current members: | Edmyn Mallory | ||||
| Deceased members: | Willem Mallory · Trevyr Mallory · Gareth Mallory | ||||
| Overlord: | House Tarly | ||||