skos:altLabel | - Joker
- mother
- wife
- Martha
- his mother
- his wife
- parents
- Riker
- Martha Kane
- Mom
- Joker<br /><small>Martha Wayne</small>
- Martha (Kane) Wayne
- Martha Arkham-Wayne
- Martha Kane Wayne
- Martha Wayne / Joker
- Martha Wayne#Flashpoint
- deceased mother
- his own mother
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