Here’s an example of using ‘whose’ in a defining relative clause:
As I sat with families whose children were at the end of their lives, I was acutely aware of our surroundings.
In the English Grammar Profile, in the category of clauses at B2, two similar points exist:
Point 88 defining relative clauses with ‘whose’, to give more information about relationship.
Point 94 non-defining relative clauses with ‘whose’, to give additional information.
*We need to be careful with our elaboration of the B2 level for the ‘whose’ as relative pronoun because there are other structures of the word also at B1:
A basic search for collocates 4 to the left and 4 to the right around ‘whose’ on iWeb:
1 NAME 43952 B1
2 PARENTS 15509
3 LIVES 14261
4 FATHER 11526
5 NAMES 11267
6 WOMAN 10949
7 MISSION 10420 B2
8 SON 10015
9 PURPOSE 9778 B1 vocabulary
For collocates ranging between 1oth to 50th ranked see the tags below: