Many multirows in table
I am trying to achive something like this

        Name | Age | Sex | AverageGrade | Subject | Grade |
    ---------------------------------------------------------
             |     |     |              |Maths    | A     |
        Jhon | 24  | M   | A            |Science  | A     |
             |     |     |              |Arts     | A     |
    ---------------------------------------------------------
             |     |     |              |Maths    | A     |
        Mary | 24  | M   | A            |Science  | A     |
             |     |     |              |Arts     | A     |
    ---------------------------------------------------------

I am using `multirow` on each of the first four column. Is there a simpler way to achive this.
Many multirows in table
===

I am trying to achive something like this

        Name | Age | Sex | AverageGrade | Subject | Grade |
    ---------------------------------------------------------
             |     |     |              |Maths    | A     |
        Jhon | 24  | M   | A            |Science  | A     |
             |     |     |              |Arts     | A     |
    ---------------------------------------------------------
             |     |     |              |Maths    | A     |
        Mary | 24  | M   | A            |Science  | A     |
             |     |     |              |Arts     | A     |
    ---------------------------------------------------------

I am using `multirow` on each of the first four column. Is there a simpler way to achive this.