Which preposition to use with dormers

of Occurrences 1%

His wife died after having borne him a son and a daughtera son, who did not long survive his mother; and a daughter, who became afterwards Mrs. Dormer of Oxfordshire.

under Occurrences 1%

which presumeing to be weight he put in his hocas pocas, a little dormer under his right skirt; and so takeing his word to come downe and turning over your horse to him, with caution not to be drunk and forgett your worship, I tooke my leave and went about my Inventorie.

without Occurrences 1%

There is no tower without its spire, no turret or gable without its pinnacle, no oriel without its pointed roof, no dormer without some such playful leaping up into the air.

Which preposition to use with  dormers