Emanuel Cloninger was born on October 22,1840 (exact date not known)in Gaston County.He married Elizabeth E. "Betsy" Shrum on March 29, 1840.He served in Co. H 37th NC Reg. as you stated and also served in the Confederate Navy.He came home from the war without injury but later lost his left arm in a hunting accident.He died on December 1, 1924 and in buried in Cloninger Grave Yard in Gaston County.
His father was Jonas Cloninger and his mother was Sallie Kiser.
Jonas Cloninger was the son of David Cloninger and Susanna Senter.
David Cloninger was the son of Adam Cloninger and Eve Magdalene Rhyne.
You may want to look at a book which is entitled "Cloninger Memoirs and Lineage 1611-1980" by Rean Cloninger Rhyne.This book is in the genealogy room at the Lincoln County, N.C. library.