Michael Altschul lists no wife in his work on the Clares .
C. Warren Hollister , revising J. Horace Round 's entry in the Dictionary of National Biography for the Oxford Dictionary of National Biography , states that it is unclear if Walter married .
Michael Altschul lists no wife in his work on the Clares , and C. Warren Hollister , revising J. Horace Round 's entry in the Dictionary of National Biography for the Oxford Dictionary of National Biography , states that it is unclear if Walter married .