Statistics for occurrence #1 of “Marmaduke” in chapter 17 of Col. John C. Moore, Confederate Military History, a library of Confederate States Military History: Volume 9.2, Missouri:

...acksonport. and waited for further information from General Price. At length intelligence was received that he had crossed the Arkansas at Dardanelle, with Fagan's division and Clark's brigade of Marmaduke 's division, and that he would pass through Batesville, and Shelby was ordered to join him at Pocahontas.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† John Sappington Marmaduke 277 260 5 4 0 user votes
Marmaduke 566 0 70 0 0 user votes
John S. Marmaduke 429 76 27 0 0 user votes
J. S. Marmaduke 192 0 8 0 0 user votes
J. Marmaduke 115 0 1 0 0 user votes
Springfield Marmaduke 74 0 0 0 0 user votes
Vincent Marmaduke 42 0 6 0 0 user votes
Jonathan S. Marmaduke 17 0 1 0 0 user votes
Gen Marmaduke 10 0 0 0 0 user votes
H. H. Marmaduke 7 0 1 0 0 user votes
W. C. Marmaduke 4 0 0 0 0 user votes
E. S. Marmaduke 2 0 0 0 0 user votes
M. M. Marmaduke 2 0 0 0 0 user votes
J. B. Marmaduke 1 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.