Eanhere was a possible ruler of Hwicce

Hwicce

The Hwicce were one of the peoples of Anglo-Saxon England. The exact boundaries of their kingdom are uncertain, though it is likely that they coincided with those of the old Diocese of Worcester, founded in 679–80, the early bishops of which bore the title Episcopus Hwicciorum...

, one of the Anglo Saxon kingdoms of England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, maybe reigning jointly with his brother Eanfrith. His niece, Eanfrith's daughter Eafe, married King Æðelwealh

Aethelwalh of Sussex

Æthelwealh was the first historical king of Sussex. Æthelwealh became the first Christian king of Sussex and was king when Sussex was converted to Christianity in 681...

 of Sussex

Kingdom of Sussex

The Kingdom of Sussex or Kingdom of the South Saxons was a Saxon colony and later independent kingdom of the Saxons, on the south coast of England. Its boundaries coincided in general with those of the earlier kingdom of the Regnenses and the later county of Sussex. A large part of its territory...

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Unfortunately the sole source of information concerning Eanhere is Bede, who just mentioned his name in passing, and did not actually state that Eanhere was a king:

"Porro regina, nomine Eabae, in sua, id est Huicciorum prouincia fuerat baptizata. Erat autem filia Eanfridi fratris Ænheri, qui ambo cum suo populo Christiani fuere."

Osric may have been a son of Eanhere, by Osthryth

Osthryth

Osthryth was the daughter of Oswiu of Northumbria and the wife of King Æthelred of Mercia. She was murdered by the nobles of Mercia. She is referred to by Bede as Queen Ostritha....

, daughter of Oswiu of Northumbria

Oswiu of Northumbria

Oswiu , also known as Oswy or Oswig , was a King of Bernicia. His father, Æthelfrith of Bernicia, was killed in battle, fighting against Rædwald, King of the East Angles and Edwin of Deira at the River Idle in 616...

. The only marriage recorded for Osthryth is that to Æthelred of Mercia, but an earlier marriage to Eanhere would explain why Osric and his brother Oswald are described as Æthelred's nepotes - usually translated as nephews or grandsons, but here probably meaning stepsons.