llysfab (Welsh) comes from Welsh mab, from Old Welsh map, from Proto-Brythonic mab, from Proto-Celtic makʷos, from Proto-Indo-European mh₂ḱwos, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.
llysfab (Welsh): stepson
Definitions
stepson
Ancestry of “llysfab”, step by step
llysfab traces back through two separate lines of ancestry.