EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT Subsidiary Jurisdiction of Organization Type of Entity ---------- ---------------------------- -------------- ElderTrust Operating Limited Partnership Delaware Limited partnership ET Sub-Phillipsburg, L.L.C. Delaware Limited liability company ET Sub-Windsor I, L.L.C. Delaware Limited liability company ET Sub-Windsor II, L.L.C. Delaware Limited liability company ET Sub-SMOB, L.L.C. Delaware Limited liability company ET Sub-GENPAR, L.L.C. Delaware Limited liability company ET Sub-Lopatcong, L.L.C. Delaware Limited liability company ET Sub-Heritage Woods, L.L.C. Delaware Limited liability company ET Sub-Pleasant View, L.L.C. Delaware Limited liability company ET Sub-Lacey I, L.L.C. Delaware Limited liability company ET Sub-Willowbrook Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Riverview Ridge Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Highgate, L.P. Pennsylvania Limited partnership ET Sub-Woodbridge, L.P. Pennsylvania Limited partnership ET Sub-Rittenhouse Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Wayne I Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Belvedere Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Chapel Manor Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Harston Hall Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Pennsburg Manor Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Silverlake Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-POB I Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-DCMH Limited Partnership, L.L.P. Virginia Limited liability partnership ET Sub-Vernon Court, L.L.C. Delaware Limited liability company ET Sub-Heritage Andover, L.L.C. Delaware Limited liability company ET Belvedere Finance, L.L.C Delaware Limited liability company ET DCMH Finance, L.L.C. Delaware Limited liability company ET Pennsburg Finance, L.L.C. Delaware Limited liability company ET POB I Finance, L.L.C Delaware Limited liability company ET Wayne I Finance, L.L.C. Delaware Limited liability company