Trawlerman is the best of two winners out of Tidespring (Monsun), the other being a minor winner by Shamardal. Tidespring won twice, was second in the Gr.3 Deutsches St Leger, was multiple Group-placed in Germany and stakes-placed in France, and was named Champion Older Female Stayer in Germany in 2012.

Second dam Sweet Stream (Shantou) won the Gr.1 Prix Vermeille, the Gr.2 Park Hill S. and the Gr.3 Prix Gontaut-Biron. She has three black-type horses, Tidespring among them, and four further winners. They include Loveisthehigherlaw (Kodiac), a Listed winner in Germany and third in the Gr.3 Munster Oaks, and Sweet Dream (Oasis Dream), placed at two in the Listed Radley S. and dam of Making Dreams (Make Believe), winner of the Gr.3 Prix Penelope.

Third dam Snug Dinner (Jareer) won three races in Italy, was Listed-placed, and seven of her nine runners won, Sweet Stream the best of them. She is also the grandam of Testa O Croce (Orpen), winner of the Listed Premio Royal Mares.

Snug Dinner is the best daughter of the stakes-placed Stand By Me (Home Guard).