Firstborn Meaning in Bengali

What is the meaning of word Firstborn in Bengali/Bangla ?

Defenition of word Firstborn

• a person's first child.
• (of a person's child) the first to be born; the eldest.

Example

his new album and his firstborn child are due in the same week

Other Meaning of Firstborn

• NOUN

  প্রথম সন্তান first-born firstling
  সর্বাগ্রজ first-born