Noah’s God - fearing father, Lamech, died about five years before the Flood.
وَكَتَبَ ٱلْكَلِمَاتِ فِي حَزْقِيَال ٨ :‏ ١ –‏ ١٩ :‏ ١٤ « فِي ٱلسَّنَةِ ٱلسَّادِسَةِ » مِنْ سَبْيِهِ ،‏ أَيْ عَامَ ٦١٢ ق‌م .‏