He has no children and so has adopted his nephew Solomon Da Costa Athias aka Solomon Da Costa the son of his brother Isaac and "have married him to Abigail one of the daughters of my good friend Samuel Da Costa Alvarenga", Merchant of London
Solomon Da Costa Athias
John Levett and Stoventon? Mark Holman of Doctors Common.
see NA1368. Simson is perhaps 22nd Carreira, no. 965 (assuming there is an error with the date). Abigail is probably 17th Carriera no. 704.