Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 8 · Marriage
विवाहः
यदि लग्नगतश्चंद्रस्तस्मात्सप्तमगः कुजः ।विज्ञेयं भर्तृमरणमष्टवर्षांतरे बुधैः ॥ ३९९ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 399.
Say the Moon is in the lagna (rising sign) and Mars is in the 7th from it. The wise should know there may be a threat to the husband's life within eight years.
Simple meaning: The Moon in the lagna with Mars in the 7th may bring a risk to the husband's life within eight years.
लग्नात्पंचमगः पापः शत्रुदृष्टश्च नीचगः ।
A weak, afflicted bad planet in the 5th may bring the bride grief over children or unsteady conduct.
तृतीयपंचसप्तायकर्मगो वा निशाकरः ।
The Moon in the 3rd, 5th, 7th, 10th or 11th, seen by Jupiter, joins the couple.
तुलागोकर्कटा लग्नसंस्थाः शुक्रेंदुसंयुताः ।
Libra, Taurus or Cancer rising with Venus and the Moon helping brings a bride.