The term “knot of two hearts voided and braced to form a single cord” is the Society’s blazon for a knot found in the arms of Schulthaf, 1548 [Vigil Raber’s Armorial of the Arlberg Brotherhood of St. Christopher, fo.130].
Elisabetta Camilla di Raffaello bears: Or, a knot of two hearts voided and braced to form a single cord azure.