See John Micklethwait's http://www.micklethwait.org
for details of those without the final 'e'
Or Hilary Jackson's http://www.hilarymaryjackson.pwp.blueyonder.co.uk/Micklethwaite.htm
for the Bolsterstone branch (click 4th row 4th column for the pedigree)
Or my site http://www.ancestryhost.org/andymick/micklethwaite.htm
for details on the place, and the other branches we know about.