Filino = daughter, bofilino = daughter-in-law, duonfilino = stepdaughter.
Nepo = grandson, pranepo = great-grandson, genepoj = grandson(s) and granddaughter(s), grandchildren.
Nepino = granddaughter, pranepino = great-granddaughter.
Frato = brother, bofrato = brother-in-law, duonfrato = step, or half, brother, gefratoj = brother(s) and sister(s), bogefratoj = brother(s) and sister(s)-in-law.
Fratino = sister, bofratino = sister in law, duonfratino = step, or half, sister.
Onklo = uncle, praonklo = grand, or great, uncle, geonkloj = uncle(s) and aunt(s).
Onklino = aunt, praonklino = grand, or great, aunt.
Nevo = nephew, pranevo = grandnephew, genevoj = nephew(s) and niece(s).
Nevino = niece, pranevino = grandniece.
Infano = child, duoninfano = stepchild.