Open page  last paragraph He says that Nayars are the only matrilineal caste in Kerala Its absolutely bullish Thiyyar followed matrilineal systemseehttpbooksgooglecombooksidHuebWkICpgPAlpgPAdqThiyyamatrilinealsourceblotsXJifXKZdQIsigmsCWgKfjDbWigawumKkIhkhlensaXeirVlPUfHlOoligKtYCBgvedCDQAEwAgvonepageqThiyyamatrilinealffalse