Hiril
From Tolkien Gateway
Hiril (born circa F.A. 423) was also the younger daughter of Halmir, chieftain of the Haladin. She was the sister of Haldir, Hareth, and Hundar. She was married to Enthor. Hiril bore him a daughter Meleth.
Other Versions of the Legendarium
In an earlier version Hiril was the daughter of Barahir and Emeldir, and the younger sister of Beren, but this was later dropped.