Which civilizations have the Kinship Ties card?

Aztecs, Haudenosaunee, Lakota and Inca.

What does Kinship Ties do in AoE3?

Native Embassy: can train Villager, becomes available. The game says: "Bonds between you and minor Native tribes let you train Villagers out of your Embassy."

Home City card

Kinship Ties

Kinship Ties (tech ID HCXPKinshipTies) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 4 civilizations, sent from the Industrial Age. Effect: Native Embassy: can train Villager, becomes available.

Quick answers (3)

Which civilizations have the Kinship Ties card?: Aztecs, Haudenosaunee, Lakota and Inca.
What does Kinship Ties do in AoE3?: Native Embassy: can train Villager, becomes available. The game says: "Bonds between you and minor Native tribes let you train Villagers out of your Embassy."
What is the tech ID of Kinship Ties?: HCXPKinshipTies.

Bonds between you and minor Native tribes let you train Villagers out of your Embassy.

What it does

Native Embassy: can train Villager, becomes available

Cost: 1
Sent from: IV
Times it can be sent: 1
Game ID: HCXPKinshipTies

In these decks

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).