A review of the sites on the web indicates that there is some confusion as to what exactly is meant by the word Syriac. The safest course is to select an authority like the [Ethnologue] and be guided by its decisions. The relationship among the Semitic languages and Syriac can be seen in the following tree of Semitic languages.

Table of contents
1 Semitic Family Tree with Special Reference to Syriac
2 History
3 Linguistics
4 Literature

Semitic Family Tree with Special Reference to Syriac

Semitic

Central
Aramaic
Eastern
Central
Mandaic
Syriac (Turkey (Asia))
Western
Western Neo-Aramaic (Syria)
Samaritan Aramaic (Palestinian West Bank and Gaza)
South
Arabic
Canaanite
Hebrew, Ancient
Hebrew (Israel)
Samaritan (Palestinian West Bank and Gaza)
South
Ethiopian
North
South
South Arabian

History

Linguistics

Literature

to be continued...