The grandmother's hair is ... (short) ... the granddaughter's.
The grandmother's hair is shorter than the granddaughter's.
The mom has ... (curly) hair ... her daughter.
The mom has curlier hair than her daughter.
The grandson is ... (short) ... his grandad.
The grandson is shorter than his grandad.
Aunt Conny is ... (tall) ... Cousin Zoe.
Aunt Conny is taller than Cousin Zoe.
Uncle Jimmy is ... (fat) ... his daughter.
Uncle Jimmy is fatter than his daughter.
The son's beard is ... (long) ... his father's.
The son's beard is longer than his father's.