Старушка, сидевшая с Марьей Дмитрие

Старушка, сидевшая с Марьей Дмитриевной под окошком, была та самая тетка, сестра отца,  которой она провела несколько уединенных лет в Покровском.

Results (English) 1:

The old lady sitting with Mary Dmitrievna under the window, was the aunt, the sister of his father, which she spent several years secluded in pokrovskoe.

Results (English) 2:

The old woman, who was sitting with Marya Dmitrievna at the window was the same aunt, sister, father, she spent several years in solitary Pokrovsky.

Results (English) 3:

the old lady while sitting with марьей дмитриевной under the window was the aunt, sister, father,  которой she spent several years in private покровском.