Her kids consented as adults and helped choose the pictures which went in her book. Mann’s family was very open about nudity so when she photographed her kids that’s just how they were. You also have to remember these were film photos, self developed, and as I recall they weren’t taken with intent to share with a wider audience at that time but were only later selected for the book (once her kids had grown up and all their own say in which images were used).
Her kids consented as adults and helped choose the pictures which went in her book. Mann’s family was very open about nudity so when she photographed her kids that’s just how they were. You also have to remember these were film photos, self developed, and as I recall they weren’t taken with intent to share with a wider audience at that time but were only later selected for the book (once her kids had grown up and all their own say in which images were used).