ASHLAND, Ohio (AP) -- Relatives of an Ohio woman who disappeared during a vacation are heading to North Carolina to help search for her.

Authorities say 33-year-old Lynn Jackenheimer, of Ashland, went to the Outer Banks last week with her on-and-off boyfriend, Nate Summerfield, and her two children but didn't return with them. Summerfield's brother called police to say Summerfield told him he strangled the woman.

Jackenheimer has been missing since July 4. Her sister tells WEWS-TV in Cleveland ( http://bit.ly/M3vMGs ) the family wanted to help police resume the search Thursday.

Police also are looking for Summerfield, who is described as a person of interest. Police say he returned the children to Ohio and left them with his family.

Businesses in Ashland are offering more than $7,000 in rewards for information in the case.

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Information from: WEWS-TV, http://www.newsnet5.com