Translation

相続人 / 継承者 / 後継者

Meaning

An heir is a person who is legally expected to receive property, money, rank, or a title when someone dies. The h is silent. Do not confuse heir with air.

Examples

• 彼女は家族の財産の唯一の相続人です。
  She is the only heir to the family estate.
• 王子は王位継承者として育てられました。
  The prince was raised as heir to the throne.