The egg contains miniature portraits of Christian IX of Denmark and his wife , Louise of Hesse - Kassel ( or Hesse - Cassel ) , the parents of the Dowager Empress Maria Feodorovna .
Head entity: christian ix of denmark Q151305 6 7 8 9
Tail entity: maria feodorovna Q153601 32 33
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40