Complex sentence: While most reference books have his full name as "Sabu Dastagir," research by journalist Philip Leibfried suggests that was his brother's name, and that Sabu was in fact Selar Shaik Sabu or Sabu Francis.
Split into simpler sentences: While most reference books have his full name as "Sabu Dastagir," research by journalist Philip Leibfried suggests that was his brother's name. Sabu's full name was in fact Selar Shaik Sabu or Sabu Francis.