Robert was originally intended to secure the northern borders of Flanders by his marriage to Gertrude of Holland, but after his brother's death in 1070 he displaced his nephews and became count of Flanders.
Robert was originally intended to secure the northern borders of Flanders by his marriage to Gertrude of Holland. He displaced his nephews. This is after his brother's death in 1070. He became count of Flanders. This was after his brother's death in 1070.