Brihat Parashara Hora Shastra
तदग्रकारकस्यैवं लोपो ज्ञेयो द्विजोत्तम । स्थिरकारकवशात्तस्य फलं ज्ञेयं शुभाऽशुभम् ॥ १७॥
In that circumstance consider constant significator in the context of benefic/malefic influence for the concerned relative.
english translation
tadagrakArakasyaivaM lopo jJeyo dvijottama । sthirakArakavazAttasya phalaM jJeyaM zubhA'zubham ॥ 17॥
hk transliteration by Sanscript