Career
In 1861 he became engaged to Ellen Hagen and moved into a house at Festberget on Østmarkneset - also called Ararats Berg. From their living room, Ellen and Petter had a view of the Trondheimsfjord and could quickly see if anything unusual was happening. When people had problems in their boats, help was not far away.
All together, Petter Lie saved 34 people from drowning.
The effort was also recognized by the public. In 1879 Petter received a medallion in silver.
Ellen and Petter have separate roads named after them on Østmarka. Petter Lie died in 1917 and in 1937 a relic in memory of Petter and Ellen was raised at Festberget.