Kelsey Grammer, who is 70, welcomed his eighth child last week, the fourth such addition with third wife Kayte Walsh.

The “Frasier” alum — whose eldest child is 42 — shared the news during Monday’s episode of the “Pod Meets World” podcast.

Grammer and Walsh, 46, “just had our fourth one, so it just became eight kids,” he told hosts and “Boy Meets World” alumni Danielle Fishel, Will Friedle and Rider Strong.

“It was like three days ago,” continued Grammer. “Christopher that’s just joined the family.”

The Emmy winner joked about his expansive lineage and their many mothers, saying the kids “come in clusters.”

News of Christopher’s pending arrival broke in June, when People published photos of Grammer and Walsh, who appeared heavily pregnant at the time .

The couple notoriously to

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