Margrave
Margrave , noun
[German markgraf, prop., lord chief justice of the march; mark bound, border, march + graf earl, count, lord chief justice; compare Gothic gagrefts decree: compare Dutch markgraaf, French margrave. See March border, and compare Landgrave, Graff.]
1.
Originally, a lord or keeper of the borders or marches in Germany.
2.
The English equivalent of the German title of nobility, markgraf; a marquis.