Yesterday, I came across the Wikipedia article about Ioannes Doukas Angelos Palaiologos Raoul Laskaris Tornikios Philanthropenos Asen, a young man who died around 1449 in the Morea. That ungodly-long name inspired me to create the E-DAC, a way to keep names of a reasonable length through use of contractions.
Example:
Ioannes Doukas Angelos Palaiologos Raoul Laskaris Tornikios Philanthropenos Asen
OR
Ioannes D.A.P.R.L.T.Ph. Asen
Example 2:
Theodore Komnenos Doukas Palaiologos Synadeos
OR
Theodore K.D.P. Synadeos