died in childhood. 'Embrenche' is most likely an adulterated spelling of onye (g) buru ichi, that is, one with ichi marks. Vassa was the youngest son.  
Gustavus Vassa always used the name 'Vassa', rather than 'Equiano'. It was also the name he passed on to his children. It is therefore the name he preferred to go by. He probably used his birth name as well as his legal name on his autobiography to lend more credence and authenticity to his story. It is my belief that he also might have made the very deliberate choice to also use his birth name on the cover of his autobiography because he was narrating events that began when he was still called Olaudah Equiano. It is my conjecture, therefore, that this was a conscious conflation of the two names so that readers see the evolution of the young African boy, taken from home, who not only learned to read and write, but also bought his freedom, joined an expedition to the North Pole, helped a prominent scientist with his experiments and became a Christian and an Englishman. If his readers never forget for one second that Equiano was also Vassa, might they not be more inclined to reject slave trade?  
When he was about 12 years old, Vassa was home alone with his only sister when they were kidnapped by a gang of three local slave traders. Because of the spate of kidnappings, when the grownups went to work on the farms, children were left behind to mind the compounds and raise an alarm if they sighted kidnappers. Vassa had escaped an initial kidnapping attempt. Soon, Vassa and his sister were separated, sold on to different masters. Vassa never saw his sister again. After months of travelling in his own country and going through multiple masters, Vassa was brought to the sea coast where he saw a slave ship for the very first time. He describes this in his autobiography: