The following rules govern the gender of pronouns:
Masculine; referred to by he, his, and him:
1. Nouns denoting males are always masculine.
2. Nouns denoting things remarkable for strength, power, sublimity, or size, when those things are regarded as if they were persons, are masculine; as, Winter, with his chilly army, destroyed them all.
3. Singular nouns denoting persons of both sexes are masculine; as, Every one brought his umbrella.
Feminine; referred to by she, her, or hers:
1. Nouns denoting females are always feminine.
2. Nouns denoting objects remarkable for beauty, gentleness, and peace, when spoken of as if they were persons, are feminine; as, Sleep healed him with her fostering care.
Neuter; referred to by it and its:
1. Nouns denoting objects without sex are neuter.