Khilkov
Khilkov: ХНЛКОB
On a Maltese Cross arg and encircled by the collar of the Order of St John with its pendant:
Quarterly:
1. Az an arm fesswise embowed, couped and holding a sword in bend sinister ppr;
2. Arg issuant from base an oak tree ppr;
3. Arg issuant from base a castle single towered gu, its port and light voided of the field;
4. Az issuant from base an oak tree ppr accompanied in dexter by a bear passant sa.
Surtout an inescutcheon or an oak tree ppr issuant from base ensigned with the coronet of a Russian Prince with issuant therefrom an arm counter embowed holding a sword in bend sinister ppr and accompanied in sinister by a bear passant sa.2 On a chief gu a cross arg.

The Khilkov Family Achievement2
Sources (Blazon):
1. Rietstap, J.B.: ARMORIAL GÉNÉRAL [2éme ed., G.B van Goor Zonen, Gouda 1884]
2. Mandrich, Donald R. & Placek, Joseph A.: Russian Heraldry and Nobility [Dramco Publishers, Boynton Beach, Florida 1992]
3. Unattributed