Brihat Parashara Hora Shastra
मदेशे नाशराशिस्थे व्ययेशे मदराशिगे । तस्य चैकोनविंशाब्दे दारनाशं विनिर्दिशेत् ॥ ३६॥
One will lose his spouse in his 19th year, if Yuvati Lord is in the 8th , while Vyaya Lord is in Yuvati.
english translation
madeze nAzarAzisthe vyayeze madarAzige । tasya caikonaviMzAbde dAranAzaM vinirdizet ॥ 36॥
hk transliteration by Sanscript