Exhibit 3.58.1

ASSIGNMENT

     FOR AND IN CONSIDERATION of the sum of Ten Dollars ($10.00) and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, We, Zev Karkomi and Craig M. Bernfield, Managers of Aviv Healthcare, L.L.C., general partner of Aviv Healthcare Properties Limited Partnership, general partner of Aviv Healthcare Properties Operating Partnership I, L.P., sole member of Aviv Financing I, L.L.C. (“Assignor”), effective January 1, 2007, do hereby sell, transfer and assign to Aviv Development JV, L.L.C. (“Assignee”), all right, title and interest in Chenal Arkansas, L.L.C., a Delaware limited liability company (the “Company”), and direct that all further profits, losses, income, return of contributions and distributions be paid or credited to Assignee.

     Dated this 1^st day of January, 2007

/s/ Zev Karkomi  

Zev Karkomi 

/s/ Craig M. Bernfield  

Craig M. Bernfield 

ACCEPTANCE OF ASSIGNMENT

     We, Zev Karkomi and Craig M. Bernfield, not individually but as Managers of Aviv Healthcare, L.L.C., general partner of Aviv Healthcare Properties Limited Partnership, general partner of Aviv Healthcare Properties Operating Partnership I, L.P., sole member of Aviv Development JV, L.L.C., hereby accept the foregoing assignment of Company Interest and agree that Aviv Development JV, L.L.C. be bound by all the terms, conditions and covenants of the Opeating Agreement of Chenal Arkansas, L.L.C., as the same may have been amended as of the date hereof.

     Dated this 1^st day of January, 2007

/s/ Zev Karkomi  

Zev Karkomi 

/s/ Craig M. Bernfield  

Craig M. Bernfield