Q. How should I index the name Teodoro Obiang Nguema Mbasogo?
A. In the absence of other information or advice (such as from the author), unfamiliar unhyphenated names can usually be indexed under the last name listed. However, when the person in question is a public figure, as is the case here, it’s best to consult a reputable source or two before deciding. According to this article in Britannica, Teodoro Obiang Nguema Mbasogo is referred to subsequently as Obiang. And in the book African Development: Making Sense of the Issues and Actors, by Todd J. Moss (Lynne Rienner Publishers, 2011), he’s indexed under “Obiang, Teodoro Nguema Mbasogo.”