3.1 million enslaved people trafficked to the British colonies

Owner of a slaving voyage from the London by the Betty in 1741, in which the ship was lost killing the captive Africans aboard.  This was probably Joseph Millward or Milward junior, a Jamaican slave-owner who was in London in 1740 and whose own will was probated in 1757.  The will of his father Joseph Millward was made in 1740 and proved in 1741.