Melinda
Melinda asked Lois McMaster Bujold:

Why does the renegade ba in Diplomatic Immunity have the name Dubauer, the same name as Cordelia's ill-fated ensign from Shards of Honor? Is Dubauer just a very common surname on Beta Colony?

Lois McMaster Bujold Correct. Like "Smith". The ba knew enough to select an unexceptional name.

Founder effect, ultimately. The short pre-VKverse-story "Dreamweaver's Dilemma" explains that, indirectly. (To be found in my e-collection Proto Zoa.)

Ta, L.

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