Brihat Parashara Hora Shastra
रवौ च स्वकुले गुप्ता शनौ चापि वयोऽधिका । तपस्विनी रुजाढ्य वा राहौ च विधवा स्मृता ॥ ४८॥
Sūrya in the 7th from Karakāńś will give a wife, who will be confining domestic core, while Śani in the 7th from Karakāńś denotes a wife of a higher age bracket, or a pious and/or sick wife. Rahu in the 7th from Karakāńś will bring a widow in marriage.
english translation
ravau ca svakule guptA zanau cApi vayo'dhikA । tapasvinI rujADhya vA rAhau ca vidhavA smRtA ॥ 48॥
hk transliteration by Sanscript