Answer:
Hi you'll have to change this to fit the vocabulary used in your part B but here.
(I am not fluent and am also still learning. I also don't have a Spanish keyboard so you will have to fix letters without accents.)
Step-by-step explanation:
I have one brother and two sisters. Tengo un hermano y dos hermanas.
My brother has brown hair. Mi hermano tiene pelo marron.
My sisters have blue eyes. Mi hermanas tienen ojos azules.
Hope this helps, lmk if you need anything else.