Assertion: kingdom's king | /r/HasProperty | record
Facets:
Source sentences:
text: Mercia's control of Kent increased in the following decades; by 689–690 East Saxon kings under Mercian overlordship were active in West Kent, and there are records attesting that Æthelred arbitrated on the income of the Christian communities at Minster-in-Thanet and Reculver, indicating strong Mercian control over the east of the kingdom too.