Multi-generational families don't really exist in WA locations, they may have one dead Sim from a previous generation but that's about it, and none of the families are related (in Champs Les Sims anyway.) As soon as you take your first trip to Champs Les Sims you start their aging process, so if your second generation goes as soon as they become a YA (when traveling is first allowed) then I would recommend the same choices as in the other thread. Every YA and Adult Sim in Champs Les Sims has the Nectar-making skill at level 6 minimum.
Male Sims, single:
Fournier, Jules YA21; Fishing 4, Nectar 6; Traits - Absent Minded, Loves Outdoors, Vegetarian, Grumpy, Angler
Bernard, Yves YA21; Cooking 6, Nectar 9; Traits - Brave, Bookworm, Natural Cook, Virtuoso, Neat
Delven, Gustave YA21; Photography 6, Nectar 8; Traits - Couch Potato, Absent Minded, Bookworm, Clumsy, Friendly
Pivert, Jean Luc A21; Cooking 8, Fishing 7, Gardening 6, Nectar 8; Traits - Insane, Absent Minded, Can't Stand Art, Excitable, Clumsy
Beaumont, Jean Luc A21; Cooking 7, Gardening 5, Nectar 8; Traits - Couch Potato, Excitable, Natural Cook, Bookworm, Heavy Sleeper
When you make subsequent trips during later generations, the families do have children and actually replenish the population much better than your home Sim town. The later generations aren't as skilled though, in my experience.