“Omdatul Talib fi Ansab Aal Abi Talib” is a famous book that specializes in the lineage of Sayyids from the descendants of the Imams (peace be upon them).
Dancing is not prohibited by itself. If it was associated with a prohibition like sexual excitement to other than the husband then it is prohibited. If it is based on musical rhythm then it is unlawful based on compulsory precaution.