bedroom of the parents
'the bedroom is ..' translates as "la chambre est ..." in French.
la chambre de ma soeur
My bedroom is 'ma chambre' in French. This is a feminine noun, even when it's a boy's bedroom.
The bedroom is 'la chambre' (fem.) in French.
the term 'master' is not used in French when speaking of a bedroom. French people tend to say 'la grande chambre' (the large bedroom) or 'la chambre des parents' (parent's bedroom), or 'la chambre principale' (the main bedroom) depending of what they see fit. There is also a preposterous fad on commercial leaflets, to speak about 'la suite parentale' (the parent's suite). Chambre des maîtres la chambre principale
"C'est la chambre des parents, c'est la chambre principale." Literally, "It is the parents room, main bedroom."
ma chambre
ma chambre
une chambre
chambre à coucher
"ma chambre est ..."
Mom's bedroom is "la chambre de ma mère."