BASIC was clearly begat by FORTRAN. This is easier to see in the 1960s versions of both languages, which used line numbers and GOTO statements for program flow,

BASIC was clearly begat by FORTRAN. This is easier to see in the 1960s versions of both languages, which used line numbers and GOTO statements for program flow, although later versions of both FORTRAN and BASIC borrowed structured programming elements from the ALGOL family.