Well, reducing it had zero effect,
When hovering over the dead father as 'past_leader'.
Code:
23:53:38.934 [system.io] [info] open: found mods/Albion/data/ui/northern_european/portraits/family/dead/son.tga (from: C:\Program Files (x86)\SEGA\Medieval II Total War)
23:53:40.540 [system.rpt] [error] Medieval 2: Total War encountered an unspecified error and will now exit.
descr_strat
Code:
character_record Alexander_II, male, age 76, dead 25, past_leader
character_record Mary, female, age 64, dead 36, never_a_leader
character_record Margaret_England, female, age 34, alive, never_a_leader
character_record Alexander_Scotland, male, age 10, dead 0, never_a_leader
character_record David_Scotland, male, age 7, dead 1, never_a_leader
character_record Patrick, male, age 5, dead 1, never_a_leader
character_record Margaret_II, female, age 16, dead 0, never_a_leader
relative, Alexander, Margaret_England, Margaret_II, Alexander_Scotland, David_Scotland, Patrick, end
relative, Alexander_II, Mary, Alexander, end
I even tried renaming the northern_european ui/potraits folder so it returns to southern_european, and removing custom portrait for Alexander - still crashes.