Belle Mere.
a step-mother is une belle-mère in French. The same word is also used for a mother-in-law.
Belle-mère
Whāea whakaangi = step mother Matua whakaangi = step father
a step ladder is 'un escabeau' (masc.) in French.
You can say the samething you would say to your mom
Step-mother and step-father have the same translation that mother-in-law and father-in-law: "belle-mère" et beau-père"; for sister it is une demi-soeur and step brother in French, is un demi-frère
To say "take the first step" in French, you would say "faire le premier pas."
'une marâtre'
mere
You can say "Ma mère s'appelle" in French to express "my mother is called".
une étape
beau-fils