Complex sentence: For example older conservative Tunisian women call their husbands "Sidi", not by first name; older conservative Tunisians (both men and women) call their older brothers "Sidi", especially when there is a large age difference between them.
Split into simpler sentences: For example older conservative Tunisian women call their husbands "Sidi", not by first name. Also, older conservative Tunisians (both men and women) call their older brothers "Sidi", especialy when there is a large age difference between them.