Which preposition to use with matilde

en Occurrences 3%

no está ya doña Matilde en la calle ¡qué diablura!

for Occurrences 1%

The expression in the woman's eyes did not change, but she still looked steadily at Matilde for three or four seconds.

in Occurrences 1%

But he honestly could not bring himself to say that he would marry Veronica, and yet, if he denied that he was betrothed to her, he must put his brother and Matilde in the position of having told a deliberate lie to Gianluca's father.

Which preposition to use with  matilde